Home / 13,295.40-19,917.57-7,434.24

Finding the Fourth Proportional to 13,295.40, 19,917.57 and 7,434.24

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Solution

The fourth proportional to 13,295.40, 19,917.57 and 7,434.24 is: 11,137.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.40 : 19,917.57 = 7,434.24 : x
  2. Step 2: Convert to fraction form
    13,295.40/19,917.57 = 7,434.24/x
  3. Step 3: Cross multiply
    13,295.40x = 19,917.57 × 7,434.24
  4. Step 4: Simplify right side
    13,295.40x = 148,071,995.60
  5. Step 5: Solve for x
    x = 148,071,995.60/13,295.40
  6. Step 6: Final answer
    x = 11,137.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.