Home / 15,679.36-23,510.53-5,146.93

Finding the Fourth Proportional to 15,679.36, 23,510.53 and 5,146.93

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Solution

The fourth proportional to 15,679.36, 23,510.53 and 5,146.93 is: 7,717.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,679.36 : 23,510.53 = 5,146.93 : x
  2. Step 2: Convert to fraction form
    15,679.36/23,510.53 = 5,146.93/x
  3. Step 3: Cross multiply
    15,679.36x = 23,510.53 × 5,146.93
  4. Step 4: Simplify right side
    15,679.36x = 121,007,052.17
  5. Step 5: Solve for x
    x = 121,007,052.17/15,679.36
  6. Step 6: Final answer
    x = 7,717.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.