Home / 14,400.15-21,575.93-6,988.65

Finding the Fourth Proportional to 14,400.15, 21,575.93 and 6,988.65

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Solution

The fourth proportional to 14,400.15, 21,575.93 and 6,988.65 is: 10,471.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,400.15 : 21,575.93 = 6,988.65 : x
  2. Step 2: Convert to fraction form
    14,400.15/21,575.93 = 6,988.65/x
  3. Step 3: Cross multiply
    14,400.15x = 21,575.93 × 6,988.65
  4. Step 4: Simplify right side
    14,400.15x = 150,786,588.25
  5. Step 5: Solve for x
    x = 150,786,588.25/14,400.15
  6. Step 6: Final answer
    x = 10,471.18

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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.