Home / 13,094.51-18,070.81-7,126.57

Finding the Fourth Proportional to 13,094.51, 18,070.81 and 7,126.57

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Solution

The fourth proportional to 13,094.51, 18,070.81 and 7,126.57 is: 9,834.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,094.51 : 18,070.81 = 7,126.57 : x
  2. Step 2: Convert to fraction form
    13,094.51/18,070.81 = 7,126.57/x
  3. Step 3: Cross multiply
    13,094.51x = 18,070.81 × 7,126.57
  4. Step 4: Simplify right side
    13,094.51x = 128,782,795.55
  5. Step 5: Solve for x
    x = 128,782,795.55/13,094.51
  6. Step 6: Final answer
    x = 9,834.87

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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.