Home / 15,810.16-23,719.60-4,717.22

Finding the Fourth Proportional to 15,810.16, 23,719.60 and 4,717.22

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Solution

The fourth proportional to 15,810.16, 23,719.60 and 4,717.22 is: 7,077.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,810.16 : 23,719.60 = 4,717.22 : x
  2. Step 2: Convert to fraction form
    15,810.16/23,719.60 = 4,717.22/x
  3. Step 3: Cross multiply
    15,810.16x = 23,719.60 × 4,717.22
  4. Step 4: Simplify right side
    15,810.16x = 111,890,571.51
  5. Step 5: Solve for x
    x = 111,890,571.51/15,810.16
  6. Step 6: Final answer
    x = 7,077.13

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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.