Home / 13,259.13-18,298.02-7,291.23

Finding the Fourth Proportional to 13,259.13, 18,298.02 and 7,291.23

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Solution

The fourth proportional to 13,259.13, 18,298.02 and 7,291.23 is: 10,062.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259.13 : 18,298.02 = 7,291.23 : x
  2. Step 2: Convert to fraction form
    13,259.13/18,298.02 = 7,291.23/x
  3. Step 3: Cross multiply
    13,259.13x = 18,298.02 × 7,291.23
  4. Step 4: Simplify right side
    13,259.13x = 133,415,072.36
  5. Step 5: Solve for x
    x = 133,415,072.36/13,259.13
  6. Step 6: Final answer
    x = 10,062.13

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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.