Home / 13,051.02-18,019.08-7,747.54

Finding the Fourth Proportional to 13,051.02, 18,019.08 and 7,747.54

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Solution

The fourth proportional to 13,051.02, 18,019.08 and 7,747.54 is: 10,696.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051.02 : 18,019.08 = 7,747.54 : x
  2. Step 2: Convert to fraction form
    13,051.02/18,019.08 = 7,747.54/x
  3. Step 3: Cross multiply
    13,051.02x = 18,019.08 × 7,747.54
  4. Step 4: Simplify right side
    13,051.02x = 139,603,543.06
  5. Step 5: Solve for x
    x = 139,603,543.06/13,051.02
  6. Step 6: Final answer
    x = 10,696.75

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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.