Home / 19,528.32-29,235.06-12,108.96

Finding the Fourth Proportional to 19,528.32, 29,235.06 and 12,108.96

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Solution

The fourth proportional to 19,528.32, 29,235.06 and 12,108.96 is: 18,127.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,528.32 : 29,235.06 = 12,108.96 : x
  2. Step 2: Convert to fraction form
    19,528.32/29,235.06 = 12,108.96/x
  3. Step 3: Cross multiply
    19,528.32x = 29,235.06 × 12,108.96
  4. Step 4: Simplify right side
    19,528.32x = 354,006,172.14
  5. Step 5: Solve for x
    x = 354,006,172.14/19,528.32
  6. Step 6: Final answer
    x = 18,127.84

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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.