Home / 14,343.47-21,487.18-9,398.10

Finding the Fourth Proportional to 14,343.47, 21,487.18 and 9,398.10

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Solution

The fourth proportional to 14,343.47, 21,487.18 and 9,398.10 is: 14,078.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,343.47 : 21,487.18 = 9,398.10 : x
  2. Step 2: Convert to fraction form
    14,343.47/21,487.18 = 9,398.10/x
  3. Step 3: Cross multiply
    14,343.47x = 21,487.18 × 9,398.10
  4. Step 4: Simplify right side
    14,343.47x = 201,938,666.36
  5. Step 5: Solve for x
    x = 201,938,666.36/14,343.47
  6. Step 6: Final answer
    x = 14,078.79

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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.