Home / 15,384.67-21,226.12-9,410.11

Finding the Fourth Proportional to 15,384.67, 21,226.12 and 9,410.11

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Solution

The fourth proportional to 15,384.67, 21,226.12 and 9,410.11 is: 12,983.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,384.67 : 21,226.12 = 9,410.11 : x
  2. Step 2: Convert to fraction form
    15,384.67/21,226.12 = 9,410.11/x
  3. Step 3: Cross multiply
    15,384.67x = 21,226.12 × 9,410.11
  4. Step 4: Simplify right side
    15,384.67x = 199,740,047.48
  5. Step 5: Solve for x
    x = 199,740,047.48/15,384.67
  6. Step 6: Final answer
    x = 12,983.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.