Home / 9,717.12-14,561.28-7,240.32

Finding the Fourth Proportional to 9,717.12, 14,561.28 and 7,240.32

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Solution

The fourth proportional to 9,717.12, 14,561.28 and 7,240.32 is: 10,849.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,717.12 : 14,561.28 = 7,240.32 : x
  2. Step 2: Convert to fraction form
    9,717.12/14,561.28 = 7,240.32/x
  3. Step 3: Cross multiply
    9,717.12x = 14,561.28 × 7,240.32
  4. Step 4: Simplify right side
    9,717.12x = 105,428,326.81
  5. Step 5: Solve for x
    x = 105,428,326.81/9,717.12
  6. Step 6: Final answer
    x = 10,849.75

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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.