Home / 9,279.36-13,897.50-9,210.22

Finding the Fourth Proportional to 9,279.36, 13,897.50 and 9,210.22

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Solution

The fourth proportional to 9,279.36, 13,897.50 and 9,210.22 is: 13,793.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.36 : 13,897.50 = 9,210.22 : x
  2. Step 2: Convert to fraction form
    9,279.36/13,897.50 = 9,210.22/x
  3. Step 3: Cross multiply
    9,279.36x = 13,897.50 × 9,210.22
  4. Step 4: Simplify right side
    9,279.36x = 127,999,032.45
  5. Step 5: Solve for x
    x = 127,999,032.45/9,279.36
  6. Step 6: Final answer
    x = 13,793.95

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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.