Home / 10,002.81-13,804.16-5,526.86

Finding the Fourth Proportional to 10,002.81, 13,804.16 and 5,526.86

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Solution

The fourth proportional to 10,002.81, 13,804.16 and 5,526.86 is: 7,627.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,002.81 : 13,804.16 = 5,526.86 : x
  2. Step 2: Convert to fraction form
    10,002.81/13,804.16 = 5,526.86/x
  3. Step 3: Cross multiply
    10,002.81x = 13,804.16 × 5,526.86
  4. Step 4: Simplify right side
    10,002.81x = 76,293,604.53
  5. Step 5: Solve for x
    x = 76,293,604.53/10,002.81
  6. Step 6: Final answer
    x = 7,627.22

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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.