Home / 21,547.30-32,320.95-6,757.51

Finding the Fourth Proportional to 21,547.30, 32,320.95 and 6,757.51

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Solution

The fourth proportional to 21,547.30, 32,320.95 and 6,757.51 is: 10,136.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,547.30 : 32,320.95 = 6,757.51 : x
  2. Step 2: Convert to fraction form
    21,547.30/32,320.95 = 6,757.51/x
  3. Step 3: Cross multiply
    21,547.30x = 32,320.95 × 6,757.51
  4. Step 4: Simplify right side
    21,547.30x = 218,408,947.44
  5. Step 5: Solve for x
    x = 218,408,947.44/21,547.30
  6. Step 6: Final answer
    x = 10,136.26

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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.