Home / 14,703.72-20,285.55-9,397.68

Finding the Fourth Proportional to 14,703.72, 20,285.55 and 9,397.68

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Solution

The fourth proportional to 14,703.72, 20,285.55 and 9,397.68 is: 12,965.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,703.72 : 20,285.55 = 9,397.68 : x
  2. Step 2: Convert to fraction form
    14,703.72/20,285.55 = 9,397.68/x
  3. Step 3: Cross multiply
    14,703.72x = 20,285.55 × 9,397.68
  4. Step 4: Simplify right side
    14,703.72x = 190,637,107.52
  5. Step 5: Solve for x
    x = 190,637,107.52/14,703.72
  6. Step 6: Final answer
    x = 12,965.23

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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.