Home / 12,430.68-18,646.18-4,936.08

Finding the Fourth Proportional to 12,430.68, 18,646.18 and 4,936.08

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Solution

The fourth proportional to 12,430.68, 18,646.18 and 4,936.08 is: 7,404.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,430.68 : 18,646.18 = 4,936.08 : x
  2. Step 2: Convert to fraction form
    12,430.68/18,646.18 = 4,936.08/x
  3. Step 3: Cross multiply
    12,430.68x = 18,646.18 × 4,936.08
  4. Step 4: Simplify right side
    12,430.68x = 92,039,036.17
  5. Step 5: Solve for x
    x = 92,039,036.17/12,430.68
  6. Step 6: Final answer
    x = 7,404.18

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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.