Home / 16,442.55-22,690.67-9,370.17

Finding the Fourth Proportional to 16,442.55, 22,690.67 and 9,370.17

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Solution

The fourth proportional to 16,442.55, 22,690.67 and 9,370.17 is: 12,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,442.55 : 22,690.67 = 9,370.17 : x
  2. Step 2: Convert to fraction form
    16,442.55/22,690.67 = 9,370.17/x
  3. Step 3: Cross multiply
    16,442.55x = 22,690.67 × 9,370.17
  4. Step 4: Simplify right side
    16,442.55x = 212,615,388.46
  5. Step 5: Solve for x
    x = 212,615,388.46/16,442.55
  6. Step 6: Final answer
    x = 12,930.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.