Home / 11,071.74-15,264.33-8,944.89

Finding the Fourth Proportional to 11,071.74, 15,264.33 and 8,944.89

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Solution

The fourth proportional to 11,071.74, 15,264.33 and 8,944.89 is: 12,332.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,071.74 : 15,264.33 = 8,944.89 : x
  2. Step 2: Convert to fraction form
    11,071.74/15,264.33 = 8,944.89/x
  3. Step 3: Cross multiply
    11,071.74x = 15,264.33 × 8,944.89
  4. Step 4: Simplify right side
    11,071.74x = 136,537,752.77
  5. Step 5: Solve for x
    x = 136,537,752.77/11,071.74
  6. Step 6: Final answer
    x = 12,332.10

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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.