Home / 12,320.32-18,484.40-4,417.48

Finding the Fourth Proportional to 12,320.32, 18,484.40 and 4,417.48

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Solution

The fourth proportional to 12,320.32, 18,484.40 and 4,417.48 is: 6,627.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320.32 : 18,484.40 = 4,417.48 : x
  2. Step 2: Convert to fraction form
    12,320.32/18,484.40 = 4,417.48/x
  3. Step 3: Cross multiply
    12,320.32x = 18,484.40 × 4,417.48
  4. Step 4: Simplify right side
    12,320.32x = 81,654,467.31
  5. Step 5: Solve for x
    x = 81,654,467.31/12,320.32
  6. Step 6: Final answer
    x = 6,627.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.