Home / 14,432.32-19,916.40-8,146.72

Finding the Fourth Proportional to 14,432.32, 19,916.40 and 8,146.72

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Solution

The fourth proportional to 14,432.32, 19,916.40 and 8,146.72 is: 11,242.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,432.32 : 19,916.40 = 8,146.72 : x
  2. Step 2: Convert to fraction form
    14,432.32/19,916.40 = 8,146.72/x
  3. Step 3: Cross multiply
    14,432.32x = 19,916.40 × 8,146.72
  4. Step 4: Simplify right side
    14,432.32x = 162,253,334.21
  5. Step 5: Solve for x
    x = 162,253,334.21/14,432.32
  6. Step 6: Final answer
    x = 11,242.36

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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.