Home / 15,783.95-23,679.63-4,690.73

Finding the Fourth Proportional to 15,783.95, 23,679.63 and 4,690.73

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Solution

The fourth proportional to 15,783.95, 23,679.63 and 4,690.73 is: 7,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,783.95 : 23,679.63 = 4,690.73 : x
  2. Step 2: Convert to fraction form
    15,783.95/23,679.63 = 4,690.73/x
  3. Step 3: Cross multiply
    15,783.95x = 23,679.63 × 4,690.73
  4. Step 4: Simplify right side
    15,783.95x = 111,074,750.83
  5. Step 5: Solve for x
    x = 111,074,750.83/15,783.95
  6. Step 6: Final answer
    x = 7,037.20

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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.