Home / 15,347.64-23,020.74-5,487.60

Finding the Fourth Proportional to 15,347.64, 23,020.74 and 5,487.60

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Solution

The fourth proportional to 15,347.64, 23,020.74 and 5,487.60 is: 8,231.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,347.64 : 23,020.74 = 5,487.60 : x
  2. Step 2: Convert to fraction form
    15,347.64/23,020.74 = 5,487.60/x
  3. Step 3: Cross multiply
    15,347.64x = 23,020.74 × 5,487.60
  4. Step 4: Simplify right side
    15,347.64x = 126,328,612.82
  5. Step 5: Solve for x
    x = 126,328,612.82/15,347.64
  6. Step 6: Final answer
    x = 8,231.14

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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.