Home / 19,428.04-26,814.95-12,353.08

Finding the Fourth Proportional to 19,428.04, 26,814.95 and 12,353.08

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Solution

The fourth proportional to 19,428.04, 26,814.95 and 12,353.08 is: 17,049.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,428.04 : 26,814.95 = 12,353.08 : x
  2. Step 2: Convert to fraction form
    19,428.04/26,814.95 = 12,353.08/x
  3. Step 3: Cross multiply
    19,428.04x = 26,814.95 × 12,353.08
  4. Step 4: Simplify right side
    19,428.04x = 331,247,222.55
  5. Step 5: Solve for x
    x = 331,247,222.55/19,428.04
  6. Step 6: Final answer
    x = 17,049.96

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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.