Home / 13,483.40-18,607.12-7,516.26

Finding the Fourth Proportional to 13,483.40, 18,607.12 and 7,516.26

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Solution

The fourth proportional to 13,483.40, 18,607.12 and 7,516.26 is: 10,372.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483.40 : 18,607.12 = 7,516.26 : x
  2. Step 2: Convert to fraction form
    13,483.40/18,607.12 = 7,516.26/x
  3. Step 3: Cross multiply
    13,483.40x = 18,607.12 × 7,516.26
  4. Step 4: Simplify right side
    13,483.40x = 139,855,932.98
  5. Step 5: Solve for x
    x = 139,855,932.98/13,483.40
  6. Step 6: Final answer
    x = 10,372.46

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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.