Home / 19,337.68-26,686-10,839.84

Finding the Fourth Proportional to 19,337.68, 26,686 and 10,839.84

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Solution

The fourth proportional to 19,337.68, 26,686 and 10,839.84 is: 14,958.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,337.68 : 26,686 = 10,839.84 : x
  2. Step 2: Convert to fraction form
    19,337.68/26,686 = 10,839.84/x
  3. Step 3: Cross multiply
    19,337.68x = 26,686 × 10,839.84
  4. Step 4: Simplify right side
    19,337.68x = 289,271,970.24
  5. Step 5: Solve for x
    x = 289,271,970.24/19,337.68
  6. Step 6: Final answer
    x = 14,958.98

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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.