Home / 9,930.40-14,895.60-7,002.26

Finding the Fourth Proportional to 9,930.40, 14,895.60 and 7,002.26

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Solution

The fourth proportional to 9,930.40, 14,895.60 and 7,002.26 is: 10,503.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.40 : 14,895.60 = 7,002.26 : x
  2. Step 2: Convert to fraction form
    9,930.40/14,895.60 = 7,002.26/x
  3. Step 3: Cross multiply
    9,930.40x = 14,895.60 × 7,002.26
  4. Step 4: Simplify right side
    9,930.40x = 104,302,864.06
  5. Step 5: Solve for x
    x = 104,302,864.06/9,930.40
  6. Step 6: Final answer
    x = 10,503.39

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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.