Home / 9,888.48-14,833.80-3,315.60

Finding the Fourth Proportional to 9,888.48, 14,833.80 and 3,315.60

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Solution

The fourth proportional to 9,888.48, 14,833.80 and 3,315.60 is: 4,973.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,888.48 : 14,833.80 = 3,315.60 : x
  2. Step 2: Convert to fraction form
    9,888.48/14,833.80 = 3,315.60/x
  3. Step 3: Cross multiply
    9,888.48x = 14,833.80 × 3,315.60
  4. Step 4: Simplify right side
    9,888.48x = 49,182,947.28
  5. Step 5: Solve for x
    x = 49,182,947.28/9,888.48
  6. Step 6: Final answer
    x = 4,973.76

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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.