Home / 10,883.52-14,988.48-9,812.16

Finding the Fourth Proportional to 10,883.52, 14,988.48 and 9,812.16

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Solution

The fourth proportional to 10,883.52, 14,988.48 and 9,812.16 is: 13,513.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,883.52 : 14,988.48 = 9,812.16 : x
  2. Step 2: Convert to fraction form
    10,883.52/14,988.48 = 9,812.16/x
  3. Step 3: Cross multiply
    10,883.52x = 14,988.48 × 9,812.16
  4. Step 4: Simplify right side
    10,883.52x = 147,069,363.92
  5. Step 5: Solve for x
    x = 147,069,363.92/10,883.52
  6. Step 6: Final answer
    x = 13,513.03

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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.