Home / 21,787.95-32,673.62-9,313.76

Finding the Fourth Proportional to 21,787.95, 32,673.62 and 9,313.76

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Solution

The fourth proportional to 21,787.95, 32,673.62 and 9,313.76 is: 13,967.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,787.95 : 32,673.62 = 9,313.76 : x
  2. Step 2: Convert to fraction form
    21,787.95/32,673.62 = 9,313.76/x
  3. Step 3: Cross multiply
    21,787.95x = 32,673.62 × 9,313.76
  4. Step 4: Simplify right side
    21,787.95x = 304,314,045.07
  5. Step 5: Solve for x
    x = 304,314,045.07/21,787.95
  6. Step 6: Final answer
    x = 13,967.08

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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.