Home / 19,825.59-29,728.71-9,818.76

Finding the Fourth Proportional to 19,825.59, 29,728.71 and 9,818.76

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Solution

The fourth proportional to 19,825.59, 29,728.71 and 9,818.76 is: 14,723.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,825.59 : 29,728.71 = 9,818.76 : x
  2. Step 2: Convert to fraction form
    19,825.59/29,728.71 = 9,818.76/x
  3. Step 3: Cross multiply
    19,825.59x = 29,728.71 × 9,818.76
  4. Step 4: Simplify right side
    19,825.59x = 291,899,068.60
  5. Step 5: Solve for x
    x = 291,899,068.60/19,825.59
  6. Step 6: Final answer
    x = 14,723.35

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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.