Home / 21,715.92-32,547.06-12,363.66

Finding the Fourth Proportional to 21,715.92, 32,547.06 and 12,363.66

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Solution

The fourth proportional to 21,715.92, 32,547.06 and 12,363.66 is: 18,530.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,715.92 : 32,547.06 = 12,363.66 : x
  2. Step 2: Convert to fraction form
    21,715.92/32,547.06 = 12,363.66/x
  3. Step 3: Cross multiply
    21,715.92x = 32,547.06 × 12,363.66
  4. Step 4: Simplify right side
    21,715.92x = 402,400,783.84
  5. Step 5: Solve for x
    x = 402,400,783.84/21,715.92
  6. Step 6: Final answer
    x = 18,530.22

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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.