Home / 13,475.09-18,595.59-7,506.70

Finding the Fourth Proportional to 13,475.09, 18,595.59 and 7,506.70

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Solution

The fourth proportional to 13,475.09, 18,595.59 and 7,506.70 is: 10,359.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.09 : 18,595.59 = 7,506.70 : x
  2. Step 2: Convert to fraction form
    13,475.09/18,595.59 = 7,506.70/x
  3. Step 3: Cross multiply
    13,475.09x = 18,595.59 × 7,506.70
  4. Step 4: Simplify right side
    13,475.09x = 139,591,515.45
  5. Step 5: Solve for x
    x = 139,591,515.45/13,475.09
  6. Step 6: Final answer
    x = 10,359.23

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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.