Home / 13,981.22-19,294.08-7,693.60

Finding the Fourth Proportional to 13,981.22, 19,294.08 and 7,693.60

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Solution

The fourth proportional to 13,981.22, 19,294.08 and 7,693.60 is: 10,617.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981.22 : 19,294.08 = 7,693.60 : x
  2. Step 2: Convert to fraction form
    13,981.22/19,294.08 = 7,693.60/x
  3. Step 3: Cross multiply
    13,981.22x = 19,294.08 × 7,693.60
  4. Step 4: Simplify right side
    13,981.22x = 148,440,885.65
  5. Step 5: Solve for x
    x = 148,440,885.65/13,981.22
  6. Step 6: Final answer
    x = 10,617.16

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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.