Home / 12,312.04-18,475.42-4,521.64

Finding the Fourth Proportional to 12,312.04, 18,475.42 and 4,521.64

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Solution

The fourth proportional to 12,312.04, 18,475.42 and 4,521.64 is: 6,785.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,312.04 : 18,475.42 = 4,521.64 : x
  2. Step 2: Convert to fraction form
    12,312.04/18,475.42 = 4,521.64/x
  3. Step 3: Cross multiply
    12,312.04x = 18,475.42 × 4,521.64
  4. Step 4: Simplify right side
    12,312.04x = 83,539,198.09
  5. Step 5: Solve for x
    x = 83,539,198.09/12,312.04
  6. Step 6: Final answer
    x = 6,785.16

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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.