Home / 13,603.02-20,408.34-4,838.82

Finding the Fourth Proportional to 13,603.02, 20,408.34 and 4,838.82

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Solution

The fourth proportional to 13,603.02, 20,408.34 and 4,838.82 is: 7,259.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,603.02 : 20,408.34 = 4,838.82 : x
  2. Step 2: Convert to fraction form
    13,603.02/20,408.34 = 4,838.82/x
  3. Step 3: Cross multiply
    13,603.02x = 20,408.34 × 4,838.82
  4. Step 4: Simplify right side
    13,603.02x = 98,752,283.76
  5. Step 5: Solve for x
    x = 98,752,283.76/13,603.02
  6. Step 6: Final answer
    x = 7,259.59

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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.