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Finding the Fourth Proportional to 19,495.17, 29,242.74 and 6,347.52

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Solution

The fourth proportional to 19,495.17, 29,242.74 and 6,347.52 is: 9,521.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,495.17 : 29,242.74 = 6,347.52 : x
  2. Step 2: Convert to fraction form
    19,495.17/29,242.74 = 6,347.52/x
  3. Step 3: Cross multiply
    19,495.17x = 29,242.74 × 6,347.52
  4. Step 4: Simplify right side
    19,495.17x = 185,618,877.00
  5. Step 5: Solve for x
    x = 185,618,877.00/19,495.17
  6. Step 6: Final answer
    x = 9,521.28

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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.