Home / 21,547.56-32,323.76-9,857.64

Finding the Fourth Proportional to 21,547.56, 32,323.76 and 9,857.64

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Solution

The fourth proportional to 21,547.56, 32,323.76 and 9,857.64 is: 14,787.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,547.56 : 32,323.76 = 9,857.64 : x
  2. Step 2: Convert to fraction form
    21,547.56/32,323.76 = 9,857.64/x
  3. Step 3: Cross multiply
    21,547.56x = 32,323.76 × 9,857.64
  4. Step 4: Simplify right side
    21,547.56x = 318,635,989.53
  5. Step 5: Solve for x
    x = 318,635,989.53/21,547.56
  6. Step 6: Final answer
    x = 14,787.57

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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.