Home / 10,298.28-14,200.74-7,641.48

Finding the Fourth Proportional to 10,298.28, 14,200.74 and 7,641.48

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Solution

The fourth proportional to 10,298.28, 14,200.74 and 7,641.48 is: 10,537.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,298.28 : 14,200.74 = 7,641.48 : x
  2. Step 2: Convert to fraction form
    10,298.28/14,200.74 = 7,641.48/x
  3. Step 3: Cross multiply
    10,298.28x = 14,200.74 × 7,641.48
  4. Step 4: Simplify right side
    10,298.28x = 108,514,670.70
  5. Step 5: Solve for x
    x = 108,514,670.70/10,298.28
  6. Step 6: Final answer
    x = 10,537.16

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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.