Home / 13,265.70-18,303.93-7,600.74

Finding the Fourth Proportional to 13,265.70, 18,303.93 and 7,600.74

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Solution

The fourth proportional to 13,265.70, 18,303.93 and 7,600.74 is: 10,487.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.70 : 18,303.93 = 7,600.74 : x
  2. Step 2: Convert to fraction form
    13,265.70/18,303.93 = 7,600.74/x
  3. Step 3: Cross multiply
    13,265.70x = 18,303.93 × 7,600.74
  4. Step 4: Simplify right side
    13,265.70x = 139,123,412.91
  5. Step 5: Solve for x
    x = 139,123,412.91/13,265.70
  6. Step 6: Final answer
    x = 10,487.45

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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.