Home / 19,730.57-29,585.45-13,492.35

Finding the Fourth Proportional to 19,730.57, 29,585.45 and 13,492.35

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Solution

The fourth proportional to 19,730.57, 29,585.45 and 13,492.35 is: 20,231.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,730.57 : 29,585.45 = 13,492.35 : x
  2. Step 2: Convert to fraction form
    19,730.57/29,585.45 = 13,492.35/x
  3. Step 3: Cross multiply
    19,730.57x = 29,585.45 × 13,492.35
  4. Step 4: Simplify right side
    19,730.57x = 399,177,280.04
  5. Step 5: Solve for x
    x = 399,177,280.04/19,730.57
  6. Step 6: Final answer
    x = 20,231.42

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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.