Home / 10,347.19-14,279.13-5,631.48

Finding the Fourth Proportional to 10,347.19, 14,279.13 and 5,631.48

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Solution

The fourth proportional to 10,347.19, 14,279.13 and 5,631.48 is: 7,771.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.19 : 14,279.13 = 5,631.48 : x
  2. Step 2: Convert to fraction form
    10,347.19/14,279.13 = 5,631.48/x
  3. Step 3: Cross multiply
    10,347.19x = 14,279.13 × 5,631.48
  4. Step 4: Simplify right side
    10,347.19x = 80,412,635.01
  5. Step 5: Solve for x
    x = 80,412,635.01/10,347.19
  6. Step 6: Final answer
    x = 7,771.45

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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.