Home / 21,547.84-32,320.82-6,756.42

Finding the Fourth Proportional to 21,547.84, 32,320.82 and 6,756.42

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Solution

The fourth proportional to 21,547.84, 32,320.82 and 6,756.42 is: 10,134.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,547.84 : 32,320.82 = 6,756.42 : x
  2. Step 2: Convert to fraction form
    21,547.84/32,320.82 = 6,756.42/x
  3. Step 3: Cross multiply
    21,547.84x = 32,320.82 × 6,756.42
  4. Step 4: Simplify right side
    21,547.84x = 218,373,034.66
  5. Step 5: Solve for x
    x = 218,373,034.66/21,547.84
  6. Step 6: Final answer
    x = 10,134.34

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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.