Home / 10,068.50-13,888.94-9,355.76

Finding the Fourth Proportional to 10,068.50, 13,888.94 and 9,355.76

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Solution

The fourth proportional to 10,068.50, 13,888.94 and 9,355.76 is: 12,905.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,068.50 : 13,888.94 = 9,355.76 : x
  2. Step 2: Convert to fraction form
    10,068.50/13,888.94 = 9,355.76/x
  3. Step 3: Cross multiply
    10,068.50x = 13,888.94 × 9,355.76
  4. Step 4: Simplify right side
    10,068.50x = 129,941,647.41
  5. Step 5: Solve for x
    x = 129,941,647.41/10,068.50
  6. Step 6: Final answer
    x = 12,905.76

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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.