Home / 15,820.67-21,833.46-9,106.13

Finding the Fourth Proportional to 15,820.67, 21,833.46 and 9,106.13

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Solution

The fourth proportional to 15,820.67, 21,833.46 and 9,106.13 is: 12,567.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,820.67 : 21,833.46 = 9,106.13 : x
  2. Step 2: Convert to fraction form
    15,820.67/21,833.46 = 9,106.13/x
  3. Step 3: Cross multiply
    15,820.67x = 21,833.46 × 9,106.13
  4. Step 4: Simplify right side
    15,820.67x = 198,818,325.11
  5. Step 5: Solve for x
    x = 198,818,325.11/15,820.67
  6. Step 6: Final answer
    x = 12,567.00

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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.