Home / 14,014.32-21,030.20-5,255.40

Finding the Fourth Proportional to 14,014.32, 21,030.20 and 5,255.40

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Solution

The fourth proportional to 14,014.32, 21,030.20 and 5,255.40 is: 7,886.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.32 : 21,030.20 = 5,255.40 : x
  2. Step 2: Convert to fraction form
    14,014.32/21,030.20 = 5,255.40/x
  3. Step 3: Cross multiply
    14,014.32x = 21,030.20 × 5,255.40
  4. Step 4: Simplify right side
    14,014.32x = 110,522,113.08
  5. Step 5: Solve for x
    x = 110,522,113.08/14,014.32
  6. Step 6: Final answer
    x = 7,886.37

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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.