Home / 14,117.64-21,073.38-13,089.76

Finding the Fourth Proportional to 14,117.64, 21,073.38 and 13,089.76

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Solution

The fourth proportional to 14,117.64, 21,073.38 and 13,089.76 is: 19,539.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.64 : 21,073.38 = 13,089.76 : x
  2. Step 2: Convert to fraction form
    14,117.64/21,073.38 = 13,089.76/x
  3. Step 3: Cross multiply
    14,117.64x = 21,073.38 × 13,089.76
  4. Step 4: Simplify right side
    14,117.64x = 275,845,486.59
  5. Step 5: Solve for x
    x = 275,845,486.59/14,117.64
  6. Step 6: Final answer
    x = 19,539.07

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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.