Home / 10,088.27-15,129.95-3,162.77

Finding the Fourth Proportional to 10,088.27, 15,129.95 and 3,162.77

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Solution

The fourth proportional to 10,088.27, 15,129.95 and 3,162.77 is: 4,743.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,088.27 : 15,129.95 = 3,162.77 : x
  2. Step 2: Convert to fraction form
    10,088.27/15,129.95 = 3,162.77/x
  3. Step 3: Cross multiply
    10,088.27x = 15,129.95 × 3,162.77
  4. Step 4: Simplify right side
    10,088.27x = 47,852,460.50
  5. Step 5: Solve for x
    x = 47,852,460.50/10,088.27
  6. Step 6: Final answer
    x = 4,743.38

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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.