Home / 10,297.47-14,210.61-5,581.74

Finding the Fourth Proportional to 10,297.47, 14,210.61 and 5,581.74

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Solution

The fourth proportional to 10,297.47, 14,210.61 and 5,581.74 is: 7,702.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,297.47 : 14,210.61 = 5,581.74 : x
  2. Step 2: Convert to fraction form
    10,297.47/14,210.61 = 5,581.74/x
  3. Step 3: Cross multiply
    10,297.47x = 14,210.61 × 5,581.74
  4. Step 4: Simplify right side
    10,297.47x = 79,319,930.26
  5. Step 5: Solve for x
    x = 79,319,930.26/10,297.47
  6. Step 6: Final answer
    x = 7,702.86

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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.