Home / 19,680.16-29,522.40-6,531.52

Finding the Fourth Proportional to 19,680.16, 29,522.40 and 6,531.52

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Solution

The fourth proportional to 19,680.16, 29,522.40 and 6,531.52 is: 9,798.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,680.16 : 29,522.40 = 6,531.52 : x
  2. Step 2: Convert to fraction form
    19,680.16/29,522.40 = 6,531.52/x
  3. Step 3: Cross multiply
    19,680.16x = 29,522.40 × 6,531.52
  4. Step 4: Simplify right side
    19,680.16x = 192,826,146.05
  5. Step 5: Solve for x
    x = 192,826,146.05/19,680.16
  6. Step 6: Final answer
    x = 9,798.00

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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.