Home / 13,254.98-18,291.15-7,948.67

Finding the Fourth Proportional to 13,254.98, 18,291.15 and 7,948.67

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Solution

The fourth proportional to 13,254.98, 18,291.15 and 7,948.67 is: 10,968.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.98 : 18,291.15 = 7,948.67 : x
  2. Step 2: Convert to fraction form
    13,254.98/18,291.15 = 7,948.67/x
  3. Step 3: Cross multiply
    13,254.98x = 18,291.15 × 7,948.67
  4. Step 4: Simplify right side
    13,254.98x = 145,390,223.81
  5. Step 5: Solve for x
    x = 145,390,223.81/13,254.98
  6. Step 6: Final answer
    x = 10,968.73

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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.