Home / 19,497.68-26,909-13,527.76

Finding the Fourth Proportional to 19,497.68, 26,909 and 13,527.76

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Solution

The fourth proportional to 19,497.68, 26,909 and 13,527.76 is: 18,669.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,497.68 : 26,909 = 13,527.76 : x
  2. Step 2: Convert to fraction form
    19,497.68/26,909 = 13,527.76/x
  3. Step 3: Cross multiply
    19,497.68x = 26,909 × 13,527.76
  4. Step 4: Simplify right side
    19,497.68x = 364,018,493.84
  5. Step 5: Solve for x
    x = 364,018,493.84/19,497.68
  6. Step 6: Final answer
    x = 18,669.84

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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.