Home / 14,749.47-20,355.93-9,083.12

Finding the Fourth Proportional to 14,749.47, 20,355.93 and 9,083.12

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Solution

The fourth proportional to 14,749.47, 20,355.93 and 9,083.12 is: 12,535.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,749.47 : 20,355.93 = 9,083.12 : x
  2. Step 2: Convert to fraction form
    14,749.47/20,355.93 = 9,083.12/x
  3. Step 3: Cross multiply
    14,749.47x = 20,355.93 × 9,083.12
  4. Step 4: Simplify right side
    14,749.47x = 184,895,253.12
  5. Step 5: Solve for x
    x = 184,895,253.12/14,749.47
  6. Step 6: Final answer
    x = 12,535.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.