Home / 13,257.45-18,294.93-7,207.50

Finding the Fourth Proportional to 13,257.45, 18,294.93 and 7,207.50

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Solution

The fourth proportional to 13,257.45, 18,294.93 and 7,207.50 is: 9,946.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257.45 : 18,294.93 = 7,207.50 : x
  2. Step 2: Convert to fraction form
    13,257.45/18,294.93 = 7,207.50/x
  3. Step 3: Cross multiply
    13,257.45x = 18,294.93 × 7,207.50
  4. Step 4: Simplify right side
    13,257.45x = 131,860,707.98
  5. Step 5: Solve for x
    x = 131,860,707.98/13,257.45
  6. Step 6: Final answer
    x = 9,946.16

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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.