Home / 19,837.20-29,748.60-9,973.20

Finding the Fourth Proportional to 19,837.20, 29,748.60 and 9,973.20

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Solution

The fourth proportional to 19,837.20, 29,748.60 and 9,973.20 is: 14,956.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,837.20 : 29,748.60 = 9,973.20 : x
  2. Step 2: Convert to fraction form
    19,837.20/29,748.60 = 9,973.20/x
  3. Step 3: Cross multiply
    19,837.20x = 29,748.60 × 9,973.20
  4. Step 4: Simplify right side
    19,837.20x = 296,688,737.52
  5. Step 5: Solve for x
    x = 296,688,737.52/19,837.20
  6. Step 6: Final answer
    x = 14,956.18

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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.