Home / 13,510.13-20,259.75-5,607.26

Finding the Fourth Proportional to 13,510.13, 20,259.75 and 5,607.26

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Solution

The fourth proportional to 13,510.13, 20,259.75 and 5,607.26 is: 8,408.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,510.13 : 20,259.75 = 5,607.26 : x
  2. Step 2: Convert to fraction form
    13,510.13/20,259.75 = 5,607.26/x
  3. Step 3: Cross multiply
    13,510.13x = 20,259.75 × 5,607.26
  4. Step 4: Simplify right side
    13,510.13x = 113,601,681.49
  5. Step 5: Solve for x
    x = 113,601,681.49/13,510.13
  6. Step 6: Final answer
    x = 8,408.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.