Home / 9,888.12-14,833.34-3,312.80

Finding the Fourth Proportional to 9,888.12, 14,833.34 and 3,312.80

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Solution

The fourth proportional to 9,888.12, 14,833.34 and 3,312.80 is: 4,969.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,888.12 : 14,833.34 = 3,312.80 : x
  2. Step 2: Convert to fraction form
    9,888.12/14,833.34 = 3,312.80/x
  3. Step 3: Cross multiply
    9,888.12x = 14,833.34 × 3,312.80
  4. Step 4: Simplify right side
    9,888.12x = 49,139,888.75
  5. Step 5: Solve for x
    x = 49,139,888.75/9,888.12
  6. Step 6: Final answer
    x = 4,969.59

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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.