Home / 12,444.74-18,668.92-4,547.64

Finding the Fourth Proportional to 12,444.74, 18,668.92 and 4,547.64

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Solution

The fourth proportional to 12,444.74, 18,668.92 and 4,547.64 is: 6,822.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.74 : 18,668.92 = 4,547.64 : x
  2. Step 2: Convert to fraction form
    12,444.74/18,668.92 = 4,547.64/x
  3. Step 3: Cross multiply
    12,444.74x = 18,668.92 × 4,547.64
  4. Step 4: Simplify right side
    12,444.74x = 84,899,527.35
  5. Step 5: Solve for x
    x = 84,899,527.35/12,444.74
  6. Step 6: Final answer
    x = 6,822.12

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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.