Home / 15,296.46-21,108.39-9,009.18

Finding the Fourth Proportional to 15,296.46, 21,108.39 and 9,009.18

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Solution

The fourth proportional to 15,296.46, 21,108.39 and 9,009.18 is: 12,432.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,296.46 : 21,108.39 = 9,009.18 : x
  2. Step 2: Convert to fraction form
    15,296.46/21,108.39 = 9,009.18/x
  3. Step 3: Cross multiply
    15,296.46x = 21,108.39 × 9,009.18
  4. Step 4: Simplify right side
    15,296.46x = 190,169,285.02
  5. Step 5: Solve for x
    x = 190,169,285.02/15,296.46
  6. Step 6: Final answer
    x = 12,432.24

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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.