Home / 15,106.80-20,854.96-9,444.70

Finding the Fourth Proportional to 15,106.80, 20,854.96 and 9,444.70

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Solution

The fourth proportional to 15,106.80, 20,854.96 and 9,444.70 is: 13,038.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106.80 : 20,854.96 = 9,444.70 : x
  2. Step 2: Convert to fraction form
    15,106.80/20,854.96 = 9,444.70/x
  3. Step 3: Cross multiply
    15,106.80x = 20,854.96 × 9,444.70
  4. Step 4: Simplify right side
    15,106.80x = 196,968,840.71
  5. Step 5: Solve for x
    x = 196,968,840.71/15,106.80
  6. Step 6: Final answer
    x = 13,038.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.