Home / 14,870.20-22,316.10-6,111.40

Finding the Fourth Proportional to 14,870.20, 22,316.10 and 6,111.40

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Solution

The fourth proportional to 14,870.20, 22,316.10 and 6,111.40 is: 9,171.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,870.20 : 22,316.10 = 6,111.40 : x
  2. Step 2: Convert to fraction form
    14,870.20/22,316.10 = 6,111.40/x
  3. Step 3: Cross multiply
    14,870.20x = 22,316.10 × 6,111.40
  4. Step 4: Simplify right side
    14,870.20x = 136,382,613.54
  5. Step 5: Solve for x
    x = 136,382,613.54/14,870.20
  6. Step 6: Final answer
    x = 9,171.54

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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.