Home / 15,384.06-21,226.27-8,669.70

Finding the Fourth Proportional to 15,384.06, 21,226.27 and 8,669.70

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Solution

The fourth proportional to 15,384.06, 21,226.27 and 8,669.70 is: 11,962.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,384.06 : 21,226.27 = 8,669.70 : x
  2. Step 2: Convert to fraction form
    15,384.06/21,226.27 = 8,669.70/x
  3. Step 3: Cross multiply
    15,384.06x = 21,226.27 × 8,669.70
  4. Step 4: Simplify right side
    15,384.06x = 184,025,393.02
  5. Step 5: Solve for x
    x = 184,025,393.02/15,384.06
  6. Step 6: Final answer
    x = 11,962.08

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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.