Home / 10,340.76-14,270.40-6,359.52

Finding the Fourth Proportional to 10,340.76, 14,270.40 and 6,359.52

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Solution

The fourth proportional to 10,340.76, 14,270.40 and 6,359.52 is: 8,776.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340.76 : 14,270.40 = 6,359.52 : x
  2. Step 2: Convert to fraction form
    10,340.76/14,270.40 = 6,359.52/x
  3. Step 3: Cross multiply
    10,340.76x = 14,270.40 × 6,359.52
  4. Step 4: Simplify right side
    10,340.76x = 90,752,894.21
  5. Step 5: Solve for x
    x = 90,752,894.21/10,340.76
  6. Step 6: Final answer
    x = 8,776.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.