Home / 12,159.60-18,237.24-4,368.48

Finding the Fourth Proportional to 12,159.60, 18,237.24 and 4,368.48

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Solution

The fourth proportional to 12,159.60, 18,237.24 and 4,368.48 is: 6,551.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,159.60 : 18,237.24 = 4,368.48 : x
  2. Step 2: Convert to fraction form
    12,159.60/18,237.24 = 4,368.48/x
  3. Step 3: Cross multiply
    12,159.60x = 18,237.24 × 4,368.48
  4. Step 4: Simplify right side
    12,159.60x = 79,669,018.20
  5. Step 5: Solve for x
    x = 79,669,018.20/12,159.60
  6. Step 6: Final answer
    x = 6,551.94

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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.