Home / 15,057.34-20,779.82-9,088.88

Finding the Fourth Proportional to 15,057.34, 20,779.82 and 9,088.88

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Solution

The fourth proportional to 15,057.34, 20,779.82 and 9,088.88 is: 12,543.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,057.34 : 20,779.82 = 9,088.88 : x
  2. Step 2: Convert to fraction form
    15,057.34/20,779.82 = 9,088.88/x
  3. Step 3: Cross multiply
    15,057.34x = 20,779.82 × 9,088.88
  4. Step 4: Simplify right side
    15,057.34x = 188,865,290.40
  5. Step 5: Solve for x
    x = 188,865,290.40/15,057.34
  6. Step 6: Final answer
    x = 12,543.07

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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.