Home / 14,116.64-21,071.89-13,088.76

Finding the Fourth Proportional to 14,116.64, 21,071.89 and 13,088.76

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Solution

The fourth proportional to 14,116.64, 21,071.89 and 13,088.76 is: 19,537.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.64 : 21,071.89 = 13,088.76 : x
  2. Step 2: Convert to fraction form
    14,116.64/21,071.89 = 13,088.76/x
  3. Step 3: Cross multiply
    14,116.64x = 21,071.89 × 13,088.76
  4. Step 4: Simplify right side
    14,116.64x = 275,804,910.96
  5. Step 5: Solve for x
    x = 275,804,910.96/14,116.64
  6. Step 6: Final answer
    x = 19,537.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.