Home / 13,955.14-19,244.86-9,166.66

Finding the Fourth Proportional to 13,955.14, 19,244.86 and 9,166.66

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Solution

The fourth proportional to 13,955.14, 19,244.86 and 9,166.66 is: 12,641.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.14 : 19,244.86 = 9,166.66 : x
  2. Step 2: Convert to fraction form
    13,955.14/19,244.86 = 9,166.66/x
  3. Step 3: Cross multiply
    13,955.14x = 19,244.86 × 9,166.66
  4. Step 4: Simplify right side
    13,955.14x = 176,411,088.37
  5. Step 5: Solve for x
    x = 176,411,088.37/13,955.14
  6. Step 6: Final answer
    x = 12,641.30

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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.