Home / 14,703.60-20,291.15-7,989.35

Finding the Fourth Proportional to 14,703.60, 20,291.15 and 7,989.35

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Solution

The fourth proportional to 14,703.60, 20,291.15 and 7,989.35 is: 11,025.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,703.60 : 20,291.15 = 7,989.35 : x
  2. Step 2: Convert to fraction form
    14,703.60/20,291.15 = 7,989.35/x
  3. Step 3: Cross multiply
    14,703.60x = 20,291.15 × 7,989.35
  4. Step 4: Simplify right side
    14,703.60x = 162,113,017.77
  5. Step 5: Solve for x
    x = 162,113,017.77/14,703.60
  6. Step 6: Final answer
    x = 11,025.39

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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.