Home / 23,490.10-35,212.86-8,688.98

Finding the Fourth Proportional to 23,490.10, 35,212.86 and 8,688.98

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Solution

The fourth proportional to 23,490.10, 35,212.86 and 8,688.98 is: 13,025.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,490.10 : 35,212.86 = 8,688.98 : x
  2. Step 2: Convert to fraction form
    23,490.10/35,212.86 = 8,688.98/x
  3. Step 3: Cross multiply
    23,490.10x = 35,212.86 × 8,688.98
  4. Step 4: Simplify right side
    23,490.10x = 305,963,836.28
  5. Step 5: Solve for x
    x = 305,963,836.28/23,490.10
  6. Step 6: Final answer
    x = 13,025.22

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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.