Home / 13,263.50-18,303.06-7,294.78

Finding the Fourth Proportional to 13,263.50, 18,303.06 and 7,294.78

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Solution

The fourth proportional to 13,263.50, 18,303.06 and 7,294.78 is: 10,066.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263.50 : 18,303.06 = 7,294.78 : x
  2. Step 2: Convert to fraction form
    13,263.50/18,303.06 = 7,294.78/x
  3. Step 3: Cross multiply
    13,263.50x = 18,303.06 × 7,294.78
  4. Step 4: Simplify right side
    13,263.50x = 133,516,777.79
  5. Step 5: Solve for x
    x = 133,516,777.79/13,263.50
  6. Step 6: Final answer
    x = 10,066.49

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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.