Home / 15,426.60-23,131.80-5,564.40

Finding the Fourth Proportional to 15,426.60, 23,131.80 and 5,564.40

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Solution

The fourth proportional to 15,426.60, 23,131.80 and 5,564.40 is: 8,343.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,426.60 : 23,131.80 = 5,564.40 : x
  2. Step 2: Convert to fraction form
    15,426.60/23,131.80 = 5,564.40/x
  3. Step 3: Cross multiply
    15,426.60x = 23,131.80 × 5,564.40
  4. Step 4: Simplify right side
    15,426.60x = 128,714,587.92
  5. Step 5: Solve for x
    x = 128,714,587.92/15,426.60
  6. Step 6: Final answer
    x = 8,343.68

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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.