Home / 13,244.84-18,277.80-7,655.84

Finding the Fourth Proportional to 13,244.84, 18,277.80 and 7,655.84

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Solution

The fourth proportional to 13,244.84, 18,277.80 and 7,655.84 is: 10,565.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.84 : 18,277.80 = 7,655.84 : x
  2. Step 2: Convert to fraction form
    13,244.84/18,277.80 = 7,655.84/x
  3. Step 3: Cross multiply
    13,244.84x = 18,277.80 × 7,655.84
  4. Step 4: Simplify right side
    13,244.84x = 139,931,912.35
  5. Step 5: Solve for x
    x = 139,931,912.35/13,244.84
  6. Step 6: Final answer
    x = 10,565.01

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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.