Home / 15,298.60-21,111.24-8,583.04

Finding the Fourth Proportional to 15,298.60, 21,111.24 and 8,583.04

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Solution

The fourth proportional to 15,298.60, 21,111.24 and 8,583.04 is: 11,844.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,298.60 : 21,111.24 = 8,583.04 : x
  2. Step 2: Convert to fraction form
    15,298.60/21,111.24 = 8,583.04/x
  3. Step 3: Cross multiply
    15,298.60x = 21,111.24 × 8,583.04
  4. Step 4: Simplify right side
    15,298.60x = 181,198,617.37
  5. Step 5: Solve for x
    x = 181,198,617.37/15,298.60
  6. Step 6: Final answer
    x = 11,844.13

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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.