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Finding the Fourth Proportional to 10,506, 15,759 and 4,350.16

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Solution

The fourth proportional to 10,506, 15,759 and 4,350.16 is: 6,525.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,506 : 15,759 = 4,350.16 : x
  2. Step 2: Convert to fraction form
    10,506/15,759 = 4,350.16/x
  3. Step 3: Cross multiply
    10,506x = 15,759 × 4,350.16
  4. Step 4: Simplify right side
    10,506x = 68,554,171.44
  5. Step 5: Solve for x
    x = 68,554,171.44/10,506
  6. Step 6: Final answer
    x = 6,525.24

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Double scale
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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.