Home / 15,630.71-23,470.36-12,680.69

Finding the Fourth Proportional to 15,630.71, 23,470.36 and 12,680.69

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Solution

The fourth proportional to 15,630.71, 23,470.36 and 12,680.69 is: 19,040.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,630.71 : 23,470.36 = 12,680.69 : x
  2. Step 2: Convert to fraction form
    15,630.71/23,470.36 = 12,680.69/x
  3. Step 3: Cross multiply
    15,630.71x = 23,470.36 × 12,680.69
  4. Step 4: Simplify right side
    15,630.71x = 297,620,210.29
  5. Step 5: Solve for x
    x = 297,620,210.29/15,630.71
  6. Step 6: Final answer
    x = 19,040.74

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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.