Home / 10,881.27-15,020.75-7,349.27

Finding the Fourth Proportional to 10,881.27, 15,020.75 and 7,349.27

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Solution

The fourth proportional to 10,881.27, 15,020.75 and 7,349.27 is: 10,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881.27 : 15,020.75 = 7,349.27 : x
  2. Step 2: Convert to fraction form
    10,881.27/15,020.75 = 7,349.27/x
  3. Step 3: Cross multiply
    10,881.27x = 15,020.75 × 7,349.27
  4. Step 4: Simplify right side
    10,881.27x = 110,391,547.35
  5. Step 5: Solve for x
    x = 110,391,547.35/10,881.27
  6. Step 6: Final answer
    x = 10,145.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.