Home / 15,087.08-22,529.01-12,319.16

Finding the Fourth Proportional to 15,087.08, 22,529.01 and 12,319.16

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Solution

The fourth proportional to 15,087.08, 22,529.01 and 12,319.16 is: 18,395.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,087.08 : 22,529.01 = 12,319.16 : x
  2. Step 2: Convert to fraction form
    15,087.08/22,529.01 = 12,319.16/x
  3. Step 3: Cross multiply
    15,087.08x = 22,529.01 × 12,319.16
  4. Step 4: Simplify right side
    15,087.08x = 277,538,478.83
  5. Step 5: Solve for x
    x = 277,538,478.83/15,087.08
  6. Step 6: Final answer
    x = 18,395.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.