Home / 19,013.79-26,230.30-12,301.58

Finding the Fourth Proportional to 19,013.79, 26,230.30 and 12,301.58

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Solution

The fourth proportional to 19,013.79, 26,230.30 and 12,301.58 is: 16,970.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.79 : 26,230.30 = 12,301.58 : x
  2. Step 2: Convert to fraction form
    19,013.79/26,230.30 = 12,301.58/x
  3. Step 3: Cross multiply
    19,013.79x = 26,230.30 × 12,301.58
  4. Step 4: Simplify right side
    19,013.79x = 322,674,133.87
  5. Step 5: Solve for x
    x = 322,674,133.87/19,013.79
  6. Step 6: Final answer
    x = 16,970.53

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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.