Home / 13,703.04-20,587.39-8,782.29

Finding the Fourth Proportional to 13,703.04, 20,587.39 and 8,782.29

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Solution

The fourth proportional to 13,703.04, 20,587.39 and 8,782.29 is: 13,194.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,703.04 : 20,587.39 = 8,782.29 : x
  2. Step 2: Convert to fraction form
    13,703.04/20,587.39 = 8,782.29/x
  3. Step 3: Cross multiply
    13,703.04x = 20,587.39 × 8,782.29
  4. Step 4: Simplify right side
    13,703.04x = 180,804,407.37
  5. Step 5: Solve for x
    x = 180,804,407.37/13,703.04
  6. Step 6: Final answer
    x = 13,194.47

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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.