Home / 10,478.46-15,675.57-9,035.58

Finding the Fourth Proportional to 10,478.46, 15,675.57 and 9,035.58

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Solution

The fourth proportional to 10,478.46, 15,675.57 and 9,035.58 is: 13,517.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,478.46 : 15,675.57 = 9,035.58 : x
  2. Step 2: Convert to fraction form
    10,478.46/15,675.57 = 9,035.58/x
  3. Step 3: Cross multiply
    10,478.46x = 15,675.57 × 9,035.58
  4. Step 4: Simplify right side
    10,478.46x = 141,637,866.78
  5. Step 5: Solve for x
    x = 141,637,866.78/10,478.46
  6. Step 6: Final answer
    x = 13,517.05

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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.