Home / 12,214.76-16,868.64-10,526.72

Finding the Fourth Proportional to 12,214.76, 16,868.64 and 10,526.72

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Solution

The fourth proportional to 12,214.76, 16,868.64 and 10,526.72 is: 14,537.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214.76 : 16,868.64 = 10,526.72 : x
  2. Step 2: Convert to fraction form
    12,214.76/16,868.64 = 10,526.72/x
  3. Step 3: Cross multiply
    12,214.76x = 16,868.64 × 10,526.72
  4. Step 4: Simplify right side
    12,214.76x = 177,571,365.72
  5. Step 5: Solve for x
    x = 177,571,365.72/12,214.76
  6. Step 6: Final answer
    x = 14,537.45

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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.