Home / 9,901.55-13,664.26-5,653.19

Finding the Fourth Proportional to 9,901.55, 13,664.26 and 5,653.19

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Solution

The fourth proportional to 9,901.55, 13,664.26 and 5,653.19 is: 7,801.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,901.55 : 13,664.26 = 5,653.19 : x
  2. Step 2: Convert to fraction form
    9,901.55/13,664.26 = 5,653.19/x
  3. Step 3: Cross multiply
    9,901.55x = 13,664.26 × 5,653.19
  4. Step 4: Simplify right side
    9,901.55x = 77,246,657.99
  5. Step 5: Solve for x
    x = 77,246,657.99/9,901.55
  6. Step 6: Final answer
    x = 7,801.47

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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.