Home / 15,151.47-22,678.73-8,113.95

Finding the Fourth Proportional to 15,151.47, 22,678.73 and 8,113.95

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Solution

The fourth proportional to 15,151.47, 22,678.73 and 8,113.95 is: 12,144.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,151.47 : 22,678.73 = 8,113.95 : x
  2. Step 2: Convert to fraction form
    15,151.47/22,678.73 = 8,113.95/x
  3. Step 3: Cross multiply
    15,151.47x = 22,678.73 × 8,113.95
  4. Step 4: Simplify right side
    15,151.47x = 184,014,040.71
  5. Step 5: Solve for x
    x = 184,014,040.71/15,151.47
  6. Step 6: Final answer
    x = 12,144.96

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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.