Home / 13,886.10-20,830.50-4,025.16

Finding the Fourth Proportional to 13,886.10, 20,830.50 and 4,025.16

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Solution

The fourth proportional to 13,886.10, 20,830.50 and 4,025.16 is: 6,038.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886.10 : 20,830.50 = 4,025.16 : x
  2. Step 2: Convert to fraction form
    13,886.10/20,830.50 = 4,025.16/x
  3. Step 3: Cross multiply
    13,886.10x = 20,830.50 × 4,025.16
  4. Step 4: Simplify right side
    13,886.10x = 83,846,095.38
  5. Step 5: Solve for x
    x = 83,846,095.38/13,886.10
  6. Step 6: Final answer
    x = 6,038.13

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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.