Home / 14,737.60-20,331.86-9,070.64

Finding the Fourth Proportional to 14,737.60, 20,331.86 and 9,070.64

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Solution

The fourth proportional to 14,737.60, 20,331.86 and 9,070.64 is: 12,513.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,737.60 : 20,331.86 = 9,070.64 : x
  2. Step 2: Convert to fraction form
    14,737.60/20,331.86 = 9,070.64/x
  3. Step 3: Cross multiply
    14,737.60x = 20,331.86 × 9,070.64
  4. Step 4: Simplify right side
    14,737.60x = 184,422,880.93
  5. Step 5: Solve for x
    x = 184,422,880.93/14,737.60
  6. Step 6: Final answer
    x = 12,513.77

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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.