Home / 10,074.93-15,120.02-7,262.40

Finding the Fourth Proportional to 10,074.93, 15,120.02 and 7,262.40

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Solution

The fourth proportional to 10,074.93, 15,120.02 and 7,262.40 is: 10,899.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,074.93 : 15,120.02 = 7,262.40 : x
  2. Step 2: Convert to fraction form
    10,074.93/15,120.02 = 7,262.40/x
  3. Step 3: Cross multiply
    10,074.93x = 15,120.02 × 7,262.40
  4. Step 4: Simplify right side
    10,074.93x = 109,807,633.25
  5. Step 5: Solve for x
    x = 109,807,633.25/10,074.93
  6. Step 6: Final answer
    x = 10,899.10

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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.