Home / 21,599.02-32,384.64-9,115.64

Finding the Fourth Proportional to 21,599.02, 32,384.64 and 9,115.64

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Solution

The fourth proportional to 21,599.02, 32,384.64 and 9,115.64 is: 13,667.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,599.02 : 32,384.64 = 9,115.64 : x
  2. Step 2: Convert to fraction form
    21,599.02/32,384.64 = 9,115.64/x
  3. Step 3: Cross multiply
    21,599.02x = 32,384.64 × 9,115.64
  4. Step 4: Simplify right side
    21,599.02x = 295,206,719.77
  5. Step 5: Solve for x
    x = 295,206,719.77/21,599.02
  6. Step 6: Final answer
    x = 13,667.60

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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.