Home / 9,430.53-14,145.81-2,856.72

Finding the Fourth Proportional to 9,430.53, 14,145.81 and 2,856.72

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Solution

The fourth proportional to 9,430.53, 14,145.81 and 2,856.72 is: 4,285.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.53 : 14,145.81 = 2,856.72 : x
  2. Step 2: Convert to fraction form
    9,430.53/14,145.81 = 2,856.72/x
  3. Step 3: Cross multiply
    9,430.53x = 14,145.81 × 2,856.72
  4. Step 4: Simplify right side
    9,430.53x = 40,410,618.34
  5. Step 5: Solve for x
    x = 40,410,618.34/9,430.53
  6. Step 6: Final answer
    x = 4,285.08

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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.