Home / 21,950.16-30,294.08-14,402.92

Finding the Fourth Proportional to 21,950.16, 30,294.08 and 14,402.92

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Solution

The fourth proportional to 21,950.16, 30,294.08 and 14,402.92 is: 19,877.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,950.16 : 30,294.08 = 14,402.92 : x
  2. Step 2: Convert to fraction form
    21,950.16/30,294.08 = 14,402.92/x
  3. Step 3: Cross multiply
    21,950.16x = 30,294.08 × 14,402.92
  4. Step 4: Simplify right side
    21,950.16x = 436,323,210.71
  5. Step 5: Solve for x
    x = 436,323,210.71/21,950.16
  6. Step 6: Final answer
    x = 19,877.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.