Home / 10,003.60-14,983.80-6,504.40

Finding the Fourth Proportional to 10,003.60, 14,983.80 and 6,504.40

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Solution

The fourth proportional to 10,003.60, 14,983.80 and 6,504.40 is: 9,742.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,003.60 : 14,983.80 = 6,504.40 : x
  2. Step 2: Convert to fraction form
    10,003.60/14,983.80 = 6,504.40/x
  3. Step 3: Cross multiply
    10,003.60x = 14,983.80 × 6,504.40
  4. Step 4: Simplify right side
    10,003.60x = 97,460,628.72
  5. Step 5: Solve for x
    x = 97,460,628.72/10,003.60
  6. Step 6: Final answer
    x = 9,742.56

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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.