Home / 15,988.08-22,062.84-10,682.16

Finding the Fourth Proportional to 15,988.08, 22,062.84 and 10,682.16

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Solution

The fourth proportional to 15,988.08, 22,062.84 and 10,682.16 is: 14,740.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,988.08 : 22,062.84 = 10,682.16 : x
  2. Step 2: Convert to fraction form
    15,988.08/22,062.84 = 10,682.16/x
  3. Step 3: Cross multiply
    15,988.08x = 22,062.84 × 10,682.16
  4. Step 4: Simplify right side
    15,988.08x = 235,678,786.93
  5. Step 5: Solve for x
    x = 235,678,786.93/15,988.08
  6. Step 6: Final answer
    x = 14,740.91

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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.