Home / 19,950.17-29,931.35-9,428.27

Finding the Fourth Proportional to 19,950.17, 29,931.35 and 9,428.27

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Solution

The fourth proportional to 19,950.17, 29,931.35 and 9,428.27 is: 14,145.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.17 : 29,931.35 = 9,428.27 : x
  2. Step 2: Convert to fraction form
    19,950.17/29,931.35 = 9,428.27/x
  3. Step 3: Cross multiply
    19,950.17x = 29,931.35 × 9,428.27
  4. Step 4: Simplify right side
    19,950.17x = 282,200,652.47
  5. Step 5: Solve for x
    x = 282,200,652.47/19,950.17
  6. Step 6: Final answer
    x = 14,145.28

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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.