Home / 15,347.70-22,985.10-9,442.80

Finding the Fourth Proportional to 15,347.70, 22,985.10 and 9,442.80

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Solution

The fourth proportional to 15,347.70, 22,985.10 and 9,442.80 is: 14,141.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,347.70 : 22,985.10 = 9,442.80 : x
  2. Step 2: Convert to fraction form
    15,347.70/22,985.10 = 9,442.80/x
  3. Step 3: Cross multiply
    15,347.70x = 22,985.10 × 9,442.80
  4. Step 4: Simplify right side
    15,347.70x = 217,043,702.28
  5. Step 5: Solve for x
    x = 217,043,702.28/15,347.70
  6. Step 6: Final answer
    x = 14,141.77

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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.