Home / 15,926.14-21,988.02-10,263.70

Finding the Fourth Proportional to 15,926.14, 21,988.02 and 10,263.70

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Solution

The fourth proportional to 15,926.14, 21,988.02 and 10,263.70 is: 14,170.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,926.14 : 21,988.02 = 10,263.70 : x
  2. Step 2: Convert to fraction form
    15,926.14/21,988.02 = 10,263.70/x
  3. Step 3: Cross multiply
    15,926.14x = 21,988.02 × 10,263.70
  4. Step 4: Simplify right side
    15,926.14x = 225,678,440.87
  5. Step 5: Solve for x
    x = 225,678,440.87/15,926.14
  6. Step 6: Final answer
    x = 14,170.32

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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.