Home / 10,340.55-15,517.77-10,302.50

Finding the Fourth Proportional to 10,340.55, 15,517.77 and 10,302.50

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Solution

The fourth proportional to 10,340.55, 15,517.77 and 10,302.50 is: 15,460.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340.55 : 15,517.77 = 10,302.50 : x
  2. Step 2: Convert to fraction form
    10,340.55/15,517.77 = 10,302.50/x
  3. Step 3: Cross multiply
    10,340.55x = 15,517.77 × 10,302.50
  4. Step 4: Simplify right side
    10,340.55x = 159,871,747.84
  5. Step 5: Solve for x
    x = 159,871,747.84/10,340.55
  6. Step 6: Final answer
    x = 15,460.66

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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.