Home / 19,445.28-29,155.35-10,677.84

Finding the Fourth Proportional to 19,445.28, 29,155.35 and 10,677.84

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Solution

The fourth proportional to 19,445.28, 29,155.35 and 10,677.84 is: 16,009.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,445.28 : 29,155.35 = 10,677.84 : x
  2. Step 2: Convert to fraction form
    19,445.28/29,155.35 = 10,677.84/x
  3. Step 3: Cross multiply
    19,445.28x = 29,155.35 × 10,677.84
  4. Step 4: Simplify right side
    19,445.28x = 311,316,162.44
  5. Step 5: Solve for x
    x = 311,316,162.44/19,445.28
  6. Step 6: Final answer
    x = 16,009.86

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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.