Home / 12,373.73-18,538.99-10,307.02

Finding the Fourth Proportional to 12,373.73, 18,538.99 and 10,307.02

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Solution

The fourth proportional to 12,373.73, 18,538.99 and 10,307.02 is: 15,442.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,373.73 : 18,538.99 = 10,307.02 : x
  2. Step 2: Convert to fraction form
    12,373.73/18,538.99 = 10,307.02/x
  3. Step 3: Cross multiply
    12,373.73x = 18,538.99 × 10,307.02
  4. Step 4: Simplify right side
    12,373.73x = 191,081,740.71
  5. Step 5: Solve for x
    x = 191,081,740.71/12,373.73
  6. Step 6: Final answer
    x = 15,442.53

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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.