Home / 9,888.40-14,830.26-2,866.56

Finding the Fourth Proportional to 9,888.40, 14,830.26 and 2,866.56

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Solution

The fourth proportional to 9,888.40, 14,830.26 and 2,866.56 is: 4,299.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,888.40 : 14,830.26 = 2,866.56 : x
  2. Step 2: Convert to fraction form
    9,888.40/14,830.26 = 2,866.56/x
  3. Step 3: Cross multiply
    9,888.40x = 14,830.26 × 2,866.56
  4. Step 4: Simplify right side
    9,888.40x = 42,511,830.11
  5. Step 5: Solve for x
    x = 42,511,830.11/9,888.40
  6. Step 6: Final answer
    x = 4,299.16

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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.