Home / 10,898.04-15,047.73-8,376.15

Finding the Fourth Proportional to 10,898.04, 15,047.73 and 8,376.15

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Solution

The fourth proportional to 10,898.04, 15,047.73 and 8,376.15 is: 11,565.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,898.04 : 15,047.73 = 8,376.15 : x
  2. Step 2: Convert to fraction form
    10,898.04/15,047.73 = 8,376.15/x
  3. Step 3: Cross multiply
    10,898.04x = 15,047.73 × 8,376.15
  4. Step 4: Simplify right side
    10,898.04x = 126,042,043.64
  5. Step 5: Solve for x
    x = 126,042,043.64/10,898.04
  6. Step 6: Final answer
    x = 11,565.57

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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.