Home / 17,108.40-25,678.80-10,547.40

Finding the Fourth Proportional to 17,108.40, 25,678.80 and 10,547.40

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Solution

The fourth proportional to 17,108.40, 25,678.80 and 10,547.40 is: 15,831.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,108.40 : 25,678.80 = 10,547.40 : x
  2. Step 2: Convert to fraction form
    17,108.40/25,678.80 = 10,547.40/x
  3. Step 3: Cross multiply
    17,108.40x = 25,678.80 × 10,547.40
  4. Step 4: Simplify right side
    17,108.40x = 270,844,575.12
  5. Step 5: Solve for x
    x = 270,844,575.12/17,108.40
  6. Step 6: Final answer
    x = 15,831.09

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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.