Home / 15,798.13-21,802.70-9,085.95

Finding the Fourth Proportional to 15,798.13, 21,802.70 and 9,085.95

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Solution

The fourth proportional to 15,798.13, 21,802.70 and 9,085.95 is: 12,539.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,798.13 : 21,802.70 = 9,085.95 : x
  2. Step 2: Convert to fraction form
    15,798.13/21,802.70 = 9,085.95/x
  3. Step 3: Cross multiply
    15,798.13x = 21,802.70 × 9,085.95
  4. Step 4: Simplify right side
    15,798.13x = 198,098,264.78
  5. Step 5: Solve for x
    x = 198,098,264.78/15,798.13
  6. Step 6: Final answer
    x = 12,539.35

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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.