Home / 13,264.70-18,307.89-7,603.25

Finding the Fourth Proportional to 13,264.70, 18,307.89 and 7,603.25

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Solution

The fourth proportional to 13,264.70, 18,307.89 and 7,603.25 is: 10,493.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,264.70 : 18,307.89 = 7,603.25 : x
  2. Step 2: Convert to fraction form
    13,264.70/18,307.89 = 7,603.25/x
  3. Step 3: Cross multiply
    13,264.70x = 18,307.89 × 7,603.25
  4. Step 4: Simplify right side
    13,264.70x = 139,199,464.64
  5. Step 5: Solve for x
    x = 139,199,464.64/13,264.70
  6. Step 6: Final answer
    x = 10,493.98

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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.