Home / 15,566.40-23,317.20-8,632.80

Finding the Fourth Proportional to 15,566.40, 23,317.20 and 8,632.80

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Solution

The fourth proportional to 15,566.40, 23,317.20 and 8,632.80 is: 12,931.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,566.40 : 23,317.20 = 8,632.80 : x
  2. Step 2: Convert to fraction form
    15,566.40/23,317.20 = 8,632.80/x
  3. Step 3: Cross multiply
    15,566.40x = 23,317.20 × 8,632.80
  4. Step 4: Simplify right side
    15,566.40x = 201,292,724.16
  5. Step 5: Solve for x
    x = 201,292,724.16/15,566.40
  6. Step 6: Final answer
    x = 12,931.23

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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.