Home / 12,386.60-18,582.15-4,064.30

Finding the Fourth Proportional to 12,386.60, 18,582.15 and 4,064.30

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Solution

The fourth proportional to 12,386.60, 18,582.15 and 4,064.30 is: 6,097.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,386.60 : 18,582.15 = 4,064.30 : x
  2. Step 2: Convert to fraction form
    12,386.60/18,582.15 = 4,064.30/x
  3. Step 3: Cross multiply
    12,386.60x = 18,582.15 × 4,064.30
  4. Step 4: Simplify right side
    12,386.60x = 75,523,432.25
  5. Step 5: Solve for x
    x = 75,523,432.25/12,386.60
  6. Step 6: Final answer
    x = 6,097.19

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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.