Home / 13,837.50-19,116.54-9,068.76

Finding the Fourth Proportional to 13,837.50, 19,116.54 and 9,068.76

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Solution

The fourth proportional to 13,837.50, 19,116.54 and 9,068.76 is: 12,528.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.50 : 19,116.54 = 9,068.76 : x
  2. Step 2: Convert to fraction form
    13,837.50/19,116.54 = 9,068.76/x
  3. Step 3: Cross multiply
    13,837.50x = 19,116.54 × 9,068.76
  4. Step 4: Simplify right side
    13,837.50x = 173,363,313.29
  5. Step 5: Solve for x
    x = 173,363,313.29/13,837.50
  6. Step 6: Final answer
    x = 12,528.51

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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.