Home / 18,690.56-25,792.89-10,307.06

Finding the Fourth Proportional to 18,690.56, 25,792.89 and 10,307.06

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Solution

The fourth proportional to 18,690.56, 25,792.89 and 10,307.06 is: 14,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,690.56 : 25,792.89 = 10,307.06 : x
  2. Step 2: Convert to fraction form
    18,690.56/25,792.89 = 10,307.06/x
  3. Step 3: Cross multiply
    18,690.56x = 25,792.89 × 10,307.06
  4. Step 4: Simplify right side
    18,690.56x = 265,848,903.52
  5. Step 5: Solve for x
    x = 265,848,903.52/18,690.56
  6. Step 6: Final answer
    x = 14,223.70

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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.