Home / 13,235.64-19,855.89-4,351.47

Finding the Fourth Proportional to 13,235.64, 19,855.89 and 4,351.47

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Solution

The fourth proportional to 13,235.64, 19,855.89 and 4,351.47 is: 6,528.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235.64 : 19,855.89 = 4,351.47 : x
  2. Step 2: Convert to fraction form
    13,235.64/19,855.89 = 4,351.47/x
  3. Step 3: Cross multiply
    13,235.64x = 19,855.89 × 4,351.47
  4. Step 4: Simplify right side
    13,235.64x = 86,402,210.38
  5. Step 5: Solve for x
    x = 86,402,210.38/13,235.64
  6. Step 6: Final answer
    x = 6,528.00

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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.