Home / 19,870.32-29,811.04-16,207.12

Finding the Fourth Proportional to 19,870.32, 29,811.04 and 16,207.12

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Solution

The fourth proportional to 19,870.32, 29,811.04 and 16,207.12 is: 24,315.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,870.32 : 29,811.04 = 16,207.12 : x
  2. Step 2: Convert to fraction form
    19,870.32/29,811.04 = 16,207.12/x
  3. Step 3: Cross multiply
    19,870.32x = 29,811.04 × 16,207.12
  4. Step 4: Simplify right side
    19,870.32x = 483,151,102.60
  5. Step 5: Solve for x
    x = 483,151,102.60/19,870.32
  6. Step 6: Final answer
    x = 24,315.21

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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.