Home / 11,401.56-15,701.40-9,795.24

Finding the Fourth Proportional to 11,401.56, 15,701.40 and 9,795.24

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Solution

The fourth proportional to 11,401.56, 15,701.40 and 9,795.24 is: 13,489.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,401.56 : 15,701.40 = 9,795.24 : x
  2. Step 2: Convert to fraction form
    11,401.56/15,701.40 = 9,795.24/x
  3. Step 3: Cross multiply
    11,401.56x = 15,701.40 × 9,795.24
  4. Step 4: Simplify right side
    11,401.56x = 153,798,981.34
  5. Step 5: Solve for x
    x = 153,798,981.34/11,401.56
  6. Step 6: Final answer
    x = 13,489.29

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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.