Home / 12,360.38-18,547.65-12,260.07

Finding the Fourth Proportional to 12,360.38, 18,547.65 and 12,260.07

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Solution

The fourth proportional to 12,360.38, 18,547.65 and 12,260.07 is: 18,397.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.38 : 18,547.65 = 12,260.07 : x
  2. Step 2: Convert to fraction form
    12,360.38/18,547.65 = 12,260.07/x
  3. Step 3: Cross multiply
    12,360.38x = 18,547.65 × 12,260.07
  4. Step 4: Simplify right side
    12,360.38x = 227,395,487.34
  5. Step 5: Solve for x
    x = 227,395,487.34/12,360.38
  6. Step 6: Final answer
    x = 18,397.13

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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.