Home / 19,313.40-28,988.83-9,325.19

Finding the Fourth Proportional to 19,313.40, 28,988.83 and 9,325.19

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Solution

The fourth proportional to 19,313.40, 28,988.83 and 9,325.19 is: 13,996.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,313.40 : 28,988.83 = 9,325.19 : x
  2. Step 2: Convert to fraction form
    19,313.40/28,988.83 = 9,325.19/x
  3. Step 3: Cross multiply
    19,313.40x = 28,988.83 × 9,325.19
  4. Step 4: Simplify right side
    19,313.40x = 270,326,156.06
  5. Step 5: Solve for x
    x = 270,326,156.06/19,313.40
  6. Step 6: Final answer
    x = 13,996.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.