Home / 18,875.14-28,334.58-10,127.14

Finding the Fourth Proportional to 18,875.14, 28,334.58 and 10,127.14

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Solution

The fourth proportional to 18,875.14, 28,334.58 and 10,127.14 is: 15,202.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875.14 : 28,334.58 = 10,127.14 : x
  2. Step 2: Convert to fraction form
    18,875.14/28,334.58 = 10,127.14/x
  3. Step 3: Cross multiply
    18,875.14x = 28,334.58 × 10,127.14
  4. Step 4: Simplify right side
    18,875.14x = 286,948,394.52
  5. Step 5: Solve for x
    x = 286,948,394.52/18,875.14
  6. Step 6: Final answer
    x = 15,202.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.