Home / 15,802.27-21,807.77-9,087.90

Finding the Fourth Proportional to 15,802.27, 21,807.77 and 9,087.90

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Solution

The fourth proportional to 15,802.27, 21,807.77 and 9,087.90 is: 12,541.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,802.27 : 21,807.77 = 9,087.90 : x
  2. Step 2: Convert to fraction form
    15,802.27/21,807.77 = 9,087.90/x
  3. Step 3: Cross multiply
    15,802.27x = 21,807.77 × 9,087.90
  4. Step 4: Simplify right side
    15,802.27x = 198,186,744.10
  5. Step 5: Solve for x
    x = 198,186,744.10/15,802.27
  6. Step 6: Final answer
    x = 12,541.66

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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.