Home / 15,603.36-23,405.76-8,672.64

Finding the Fourth Proportional to 15,603.36, 23,405.76 and 8,672.64

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Solution

The fourth proportional to 15,603.36, 23,405.76 and 8,672.64 is: 13,009.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,603.36 : 23,405.76 = 8,672.64 : x
  2. Step 2: Convert to fraction form
    15,603.36/23,405.76 = 8,672.64/x
  3. Step 3: Cross multiply
    15,603.36x = 23,405.76 × 8,672.64
  4. Step 4: Simplify right side
    15,603.36x = 202,989,730.41
  5. Step 5: Solve for x
    x = 202,989,730.41/15,603.36
  6. Step 6: Final answer
    x = 13,009.36

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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.