Home / 9,935.19-13,710.65-5,459.03

Finding the Fourth Proportional to 9,935.19, 13,710.65 and 5,459.03

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Solution

The fourth proportional to 9,935.19, 13,710.65 and 5,459.03 is: 7,533.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,935.19 : 13,710.65 = 5,459.03 : x
  2. Step 2: Convert to fraction form
    9,935.19/13,710.65 = 5,459.03/x
  3. Step 3: Cross multiply
    9,935.19x = 13,710.65 × 5,459.03
  4. Step 4: Simplify right side
    9,935.19x = 74,846,753.82
  5. Step 5: Solve for x
    x = 74,846,753.82/9,935.19
  6. Step 6: Final answer
    x = 7,533.50

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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.