Home / 10,291.44-14,210.19-7,897.62

Finding the Fourth Proportional to 10,291.44, 14,210.19 and 7,897.62

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Solution

The fourth proportional to 10,291.44, 14,210.19 and 7,897.62 is: 10,904.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.44 : 14,210.19 = 7,897.62 : x
  2. Step 2: Convert to fraction form
    10,291.44/14,210.19 = 7,897.62/x
  3. Step 3: Cross multiply
    10,291.44x = 14,210.19 × 7,897.62
  4. Step 4: Simplify right side
    10,291.44x = 112,226,641.26
  5. Step 5: Solve for x
    x = 112,226,641.26/10,291.44
  6. Step 6: Final answer
    x = 10,904.85

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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.