Home / 15,548.40-23,308.56-5,680.80

Finding the Fourth Proportional to 15,548.40, 23,308.56 and 5,680.80

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Solution

The fourth proportional to 15,548.40, 23,308.56 and 5,680.80 is: 8,516.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,548.40 : 23,308.56 = 5,680.80 : x
  2. Step 2: Convert to fraction form
    15,548.40/23,308.56 = 5,680.80/x
  3. Step 3: Cross multiply
    15,548.40x = 23,308.56 × 5,680.80
  4. Step 4: Simplify right side
    15,548.40x = 132,411,267.65
  5. Step 5: Solve for x
    x = 132,411,267.65/15,548.40
  6. Step 6: Final answer
    x = 8,516.07

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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.