Home / 9,642.42-13,307.13-5,450.67

Finding the Fourth Proportional to 9,642.42, 13,307.13 and 5,450.67

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Solution

The fourth proportional to 9,642.42, 13,307.13 and 5,450.67 is: 7,522.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,642.42 : 13,307.13 = 5,450.67 : x
  2. Step 2: Convert to fraction form
    9,642.42/13,307.13 = 5,450.67/x
  3. Step 3: Cross multiply
    9,642.42x = 13,307.13 × 5,450.67
  4. Step 4: Simplify right side
    9,642.42x = 72,532,774.28
  5. Step 5: Solve for x
    x = 72,532,774.28/9,642.42
  6. Step 6: Final answer
    x = 7,522.26

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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.