Home / 15,742.20-23,564.70-14,867.40

Finding the Fourth Proportional to 15,742.20, 23,564.70 and 14,867.40

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Solution

The fourth proportional to 15,742.20, 23,564.70 and 14,867.40 is: 22,255.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,742.20 : 23,564.70 = 14,867.40 : x
  2. Step 2: Convert to fraction form
    15,742.20/23,564.70 = 14,867.40/x
  3. Step 3: Cross multiply
    15,742.20x = 23,564.70 × 14,867.40
  4. Step 4: Simplify right side
    15,742.20x = 350,345,820.78
  5. Step 5: Solve for x
    x = 350,345,820.78/15,742.20
  6. Step 6: Final answer
    x = 22,255.20

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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.