Home / 19,427.40-29,141.10-9,585.90

Finding the Fourth Proportional to 19,427.40, 29,141.10 and 9,585.90

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Solution

The fourth proportional to 19,427.40, 29,141.10 and 9,585.90 is: 14,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,427.40 : 29,141.10 = 9,585.90 : x
  2. Step 2: Convert to fraction form
    19,427.40/29,141.10 = 9,585.90/x
  3. Step 3: Cross multiply
    19,427.40x = 29,141.10 × 9,585.90
  4. Step 4: Simplify right side
    19,427.40x = 279,343,670.49
  5. Step 5: Solve for x
    x = 279,343,670.49/19,427.40
  6. Step 6: Final answer
    x = 14,378.85

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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.