Home / 16,392.77-22,621.91-9,319.19

Finding the Fourth Proportional to 16,392.77, 22,621.91 and 9,319.19

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Solution

The fourth proportional to 16,392.77, 22,621.91 and 9,319.19 is: 12,860.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,392.77 : 22,621.91 = 9,319.19 : x
  2. Step 2: Convert to fraction form
    16,392.77/22,621.91 = 9,319.19/x
  3. Step 3: Cross multiply
    16,392.77x = 22,621.91 × 9,319.19
  4. Step 4: Simplify right side
    16,392.77x = 210,817,877.45
  5. Step 5: Solve for x
    x = 210,817,877.45/16,392.77
  6. Step 6: Final answer
    x = 12,860.42

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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.