Home / 10,017.48-14,954.55-8,705.64

Finding the Fourth Proportional to 10,017.48, 14,954.55 and 8,705.64

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Solution

The fourth proportional to 10,017.48, 14,954.55 and 8,705.64 is: 12,996.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,017.48 : 14,954.55 = 8,705.64 : x
  2. Step 2: Convert to fraction form
    10,017.48/14,954.55 = 8,705.64/x
  3. Step 3: Cross multiply
    10,017.48x = 14,954.55 × 8,705.64
  4. Step 4: Simplify right side
    10,017.48x = 130,188,928.66
  5. Step 5: Solve for x
    x = 130,188,928.66/10,017.48
  6. Step 6: Final answer
    x = 12,996.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.