Home / 12,156.60-18,232.74-4,365.48

Finding the Fourth Proportional to 12,156.60, 18,232.74 and 4,365.48

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Solution

The fourth proportional to 12,156.60, 18,232.74 and 4,365.48 is: 6,547.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,156.60 : 18,232.74 = 4,365.48 : x
  2. Step 2: Convert to fraction form
    12,156.60/18,232.74 = 4,365.48/x
  3. Step 3: Cross multiply
    12,156.60x = 18,232.74 × 4,365.48
  4. Step 4: Simplify right side
    12,156.60x = 79,594,661.82
  5. Step 5: Solve for x
    x = 79,594,661.82/12,156.60
  6. Step 6: Final answer
    x = 6,547.44

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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.