Home / 15,763.08-21,755.02-9,050.81

Finding the Fourth Proportional to 15,763.08, 21,755.02 and 9,050.81

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Solution

The fourth proportional to 15,763.08, 21,755.02 and 9,050.81 is: 12,491.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,763.08 : 21,755.02 = 9,050.81 : x
  2. Step 2: Convert to fraction form
    15,763.08/21,755.02 = 9,050.81/x
  3. Step 3: Cross multiply
    15,763.08x = 21,755.02 × 9,050.81
  4. Step 4: Simplify right side
    15,763.08x = 196,900,552.57
  5. Step 5: Solve for x
    x = 196,900,552.57/15,763.08
  6. Step 6: Final answer
    x = 12,491.25

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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.