Home / 9,505.24-13,117.50-5,313.40

Finding the Fourth Proportional to 9,505.24, 13,117.50 and 5,313.40

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Solution

The fourth proportional to 9,505.24, 13,117.50 and 5,313.40 is: 7,332.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,505.24 : 13,117.50 = 5,313.40 : x
  2. Step 2: Convert to fraction form
    9,505.24/13,117.50 = 5,313.40/x
  3. Step 3: Cross multiply
    9,505.24x = 13,117.50 × 5,313.40
  4. Step 4: Simplify right side
    9,505.24x = 69,698,524.50
  5. Step 5: Solve for x
    x = 69,698,524.50/9,505.24
  6. Step 6: Final answer
    x = 7,332.64

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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.