Home / 10,341.40-15,517.50-9,783.76

Finding the Fourth Proportional to 10,341.40, 15,517.50 and 9,783.76

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Solution

The fourth proportional to 10,341.40, 15,517.50 and 9,783.76 is: 14,680.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,341.40 : 15,517.50 = 9,783.76 : x
  2. Step 2: Convert to fraction form
    10,341.40/15,517.50 = 9,783.76/x
  3. Step 3: Cross multiply
    10,341.40x = 15,517.50 × 9,783.76
  4. Step 4: Simplify right side
    10,341.40x = 151,819,495.80
  5. Step 5: Solve for x
    x = 151,819,495.80/10,341.40
  6. Step 6: Final answer
    x = 14,680.75

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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.