Home / 9,430.61-13,015.23-5,238.86

Finding the Fourth Proportional to 9,430.61, 13,015.23 and 5,238.86

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Solution

The fourth proportional to 9,430.61, 13,015.23 and 5,238.86 is: 7,230.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.61 : 13,015.23 = 5,238.86 : x
  2. Step 2: Convert to fraction form
    9,430.61/13,015.23 = 5,238.86/x
  3. Step 3: Cross multiply
    9,430.61x = 13,015.23 × 5,238.86
  4. Step 4: Simplify right side
    9,430.61x = 68,184,967.84
  5. Step 5: Solve for x
    x = 68,184,967.84/9,430.61
  6. Step 6: Final answer
    x = 7,230.18

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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.