Home / 12,030.68-18,032.16-4,631.42

Finding the Fourth Proportional to 12,030.68, 18,032.16 and 4,631.42

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Solution

The fourth proportional to 12,030.68, 18,032.16 and 4,631.42 is: 6,941.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.68 : 18,032.16 = 4,631.42 : x
  2. Step 2: Convert to fraction form
    12,030.68/18,032.16 = 4,631.42/x
  3. Step 3: Cross multiply
    12,030.68x = 18,032.16 × 4,631.42
  4. Step 4: Simplify right side
    12,030.68x = 83,514,506.47
  5. Step 5: Solve for x
    x = 83,514,506.47/12,030.68
  6. Step 6: Final answer
    x = 6,941.79

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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.