Home / 10,347.36-14,279.28-5,631.60

Finding the Fourth Proportional to 10,347.36, 14,279.28 and 5,631.60

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Solution

The fourth proportional to 10,347.36, 14,279.28 and 5,631.60 is: 7,771.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.36 : 14,279.28 = 5,631.60 : x
  2. Step 2: Convert to fraction form
    10,347.36/14,279.28 = 5,631.60/x
  3. Step 3: Cross multiply
    10,347.36x = 14,279.28 × 5,631.60
  4. Step 4: Simplify right side
    10,347.36x = 80,415,193.25
  5. Step 5: Solve for x
    x = 80,415,193.25/10,347.36
  6. Step 6: Final answer
    x = 7,771.57

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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.