Home / 10,065.28-13,888.16-6,528.16

Finding the Fourth Proportional to 10,065.28, 13,888.16 and 6,528.16

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Solution

The fourth proportional to 10,065.28, 13,888.16 and 6,528.16 is: 9,007.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,065.28 : 13,888.16 = 6,528.16 : x
  2. Step 2: Convert to fraction form
    10,065.28/13,888.16 = 6,528.16/x
  3. Step 3: Cross multiply
    10,065.28x = 13,888.16 × 6,528.16
  4. Step 4: Simplify right side
    10,065.28x = 90,664,130.59
  5. Step 5: Solve for x
    x = 90,664,130.59/10,065.28
  6. Step 6: Final answer
    x = 9,007.61

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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.