Home / 10,075.12-15,117.64-4,532.40

Finding the Fourth Proportional to 10,075.12, 15,117.64 and 4,532.40

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Solution

The fourth proportional to 10,075.12, 15,117.64 and 4,532.40 is: 6,800.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,075.12 : 15,117.64 = 4,532.40 : x
  2. Step 2: Convert to fraction form
    10,075.12/15,117.64 = 4,532.40/x
  3. Step 3: Cross multiply
    10,075.12x = 15,117.64 × 4,532.40
  4. Step 4: Simplify right side
    10,075.12x = 68,519,191.54
  5. Step 5: Solve for x
    x = 68,519,191.54/10,075.12
  6. Step 6: Final answer
    x = 6,800.83

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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.