Home / 21,050.60-31,580.84-6,259.64

Finding the Fourth Proportional to 21,050.60, 31,580.84 and 6,259.64

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Solution

The fourth proportional to 21,050.60, 31,580.84 and 6,259.64 is: 9,390.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,050.60 : 31,580.84 = 6,259.64 : x
  2. Step 2: Convert to fraction form
    21,050.60/31,580.84 = 6,259.64/x
  3. Step 3: Cross multiply
    21,050.60x = 31,580.84 × 6,259.64
  4. Step 4: Simplify right side
    21,050.60x = 197,684,689.30
  5. Step 5: Solve for x
    x = 197,684,689.30/21,050.60
  6. Step 6: Final answer
    x = 9,390.93

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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.