Home / 14,172.32-19,562.28-9,694.40

Finding the Fourth Proportional to 14,172.32, 19,562.28 and 9,694.40

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Solution

The fourth proportional to 14,172.32, 19,562.28 and 9,694.40 is: 13,381.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172.32 : 19,562.28 = 9,694.40 : x
  2. Step 2: Convert to fraction form
    14,172.32/19,562.28 = 9,694.40/x
  3. Step 3: Cross multiply
    14,172.32x = 19,562.28 × 9,694.40
  4. Step 4: Simplify right side
    14,172.32x = 189,644,567.23
  5. Step 5: Solve for x
    x = 189,644,567.23/14,172.32
  6. Step 6: Final answer
    x = 13,381.34

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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.