Home / 19,949.95-29,929.36-8,707.10

Finding the Fourth Proportional to 19,949.95, 29,929.36 and 8,707.10

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Solution

The fourth proportional to 19,949.95, 29,929.36 and 8,707.10 is: 13,062.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,949.95 : 29,929.36 = 8,707.10 : x
  2. Step 2: Convert to fraction form
    19,949.95/29,929.36 = 8,707.10/x
  3. Step 3: Cross multiply
    19,949.95x = 29,929.36 × 8,707.10
  4. Step 4: Simplify right side
    19,949.95x = 260,597,930.46
  5. Step 5: Solve for x
    x = 260,597,930.46/19,949.95
  6. Step 6: Final answer
    x = 13,062.59

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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.