Home / 13,479.18-20,210.04-6,459.02

Finding the Fourth Proportional to 13,479.18, 20,210.04 and 6,459.02

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Solution

The fourth proportional to 13,479.18, 20,210.04 and 6,459.02 is: 9,684.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479.18 : 20,210.04 = 6,459.02 : x
  2. Step 2: Convert to fraction form
    13,479.18/20,210.04 = 6,459.02/x
  3. Step 3: Cross multiply
    13,479.18x = 20,210.04 × 6,459.02
  4. Step 4: Simplify right side
    13,479.18x = 130,537,052.56
  5. Step 5: Solve for x
    x = 130,537,052.56/13,479.18
  6. Step 6: Final answer
    x = 9,684.35

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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.