Home / 21,637.34-32,444.70-9,780.92

Finding the Fourth Proportional to 21,637.34, 32,444.70 and 9,780.92

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Solution

The fourth proportional to 21,637.34, 32,444.70 and 9,780.92 is: 14,666.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,637.34 : 32,444.70 = 9,780.92 : x
  2. Step 2: Convert to fraction form
    21,637.34/32,444.70 = 9,780.92/x
  3. Step 3: Cross multiply
    21,637.34x = 32,444.70 × 9,780.92
  4. Step 4: Simplify right side
    21,637.34x = 317,339,015.12
  5. Step 5: Solve for x
    x = 317,339,015.12/21,637.34
  6. Step 6: Final answer
    x = 14,666.27

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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.