Home / 13,325.90-19,988.85-5,535.32

Finding the Fourth Proportional to 13,325.90, 19,988.85 and 5,535.32

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Solution

The fourth proportional to 13,325.90, 19,988.85 and 5,535.32 is: 8,302.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325.90 : 19,988.85 = 5,535.32 : x
  2. Step 2: Convert to fraction form
    13,325.90/19,988.85 = 5,535.32/x
  3. Step 3: Cross multiply
    13,325.90x = 19,988.85 × 5,535.32
  4. Step 4: Simplify right side
    13,325.90x = 110,644,681.18
  5. Step 5: Solve for x
    x = 110,644,681.18/13,325.90
  6. Step 6: Final answer
    x = 8,302.98

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.