Home / 15,810.06-21,820.08-9,095.57

Finding the Fourth Proportional to 15,810.06, 21,820.08 and 9,095.57

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Solution

The fourth proportional to 15,810.06, 21,820.08 and 9,095.57 is: 12,553.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,810.06 : 21,820.08 = 9,095.57 : x
  2. Step 2: Convert to fraction form
    15,810.06/21,820.08 = 9,095.57/x
  3. Step 3: Cross multiply
    15,810.06x = 21,820.08 × 9,095.57
  4. Step 4: Simplify right side
    15,810.06x = 198,466,065.05
  5. Step 5: Solve for x
    x = 198,466,065.05/15,810.06
  6. Step 6: Final answer
    x = 12,553.15

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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.