Home / 18,880.29-26,061.89-14,178.15

Finding the Fourth Proportional to 18,880.29, 26,061.89 and 14,178.15

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Solution

The fourth proportional to 18,880.29, 26,061.89 and 14,178.15 is: 19,571.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880.29 : 26,061.89 = 14,178.15 : x
  2. Step 2: Convert to fraction form
    18,880.29/26,061.89 = 14,178.15/x
  3. Step 3: Cross multiply
    18,880.29x = 26,061.89 × 14,178.15
  4. Step 4: Simplify right side
    18,880.29x = 369,509,314.81
  5. Step 5: Solve for x
    x = 369,509,314.81/18,880.29
  6. Step 6: Final answer
    x = 19,571.17

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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.