Home / 13,246.92-18,299.40-12,547.08

Finding the Fourth Proportional to 13,246.92, 18,299.40 and 12,547.08

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Solution

The fourth proportional to 13,246.92, 18,299.40 and 12,547.08 is: 17,332.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.92 : 18,299.40 = 12,547.08 : x
  2. Step 2: Convert to fraction form
    13,246.92/18,299.40 = 12,547.08/x
  3. Step 3: Cross multiply
    13,246.92x = 18,299.40 × 12,547.08
  4. Step 4: Simplify right side
    13,246.92x = 229,604,035.75
  5. Step 5: Solve for x
    x = 229,604,035.75/13,246.92
  6. Step 6: Final answer
    x = 17,332.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.