Home / 13,368.48-20,053.90-3,507.72

Finding the Fourth Proportional to 13,368.48, 20,053.90 and 3,507.72

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Solution

The fourth proportional to 13,368.48, 20,053.90 and 3,507.72 is: 5,261.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368.48 : 20,053.90 = 3,507.72 : x
  2. Step 2: Convert to fraction form
    13,368.48/20,053.90 = 3,507.72/x
  3. Step 3: Cross multiply
    13,368.48x = 20,053.90 × 3,507.72
  4. Step 4: Simplify right side
    13,368.48x = 70,343,466.11
  5. Step 5: Solve for x
    x = 70,343,466.11/13,368.48
  6. Step 6: Final answer
    x = 5,261.89

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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.