Home / 12,223.08-16,870.47-7,444.59

Finding the Fourth Proportional to 12,223.08, 16,870.47 and 7,444.59

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Solution

The fourth proportional to 12,223.08, 16,870.47 and 7,444.59 is: 10,275.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223.08 : 16,870.47 = 7,444.59 : x
  2. Step 2: Convert to fraction form
    12,223.08/16,870.47 = 7,444.59/x
  3. Step 3: Cross multiply
    12,223.08x = 16,870.47 × 7,444.59
  4. Step 4: Simplify right side
    12,223.08x = 125,593,732.26
  5. Step 5: Solve for x
    x = 125,593,732.26/12,223.08
  6. Step 6: Final answer
    x = 10,275.13

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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.