Home / 14,703.28-20,301.12-9,045.64

Finding the Fourth Proportional to 14,703.28, 20,301.12 and 9,045.64

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Solution

The fourth proportional to 14,703.28, 20,301.12 and 9,045.64 is: 12,489.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,703.28 : 20,301.12 = 9,045.64 : x
  2. Step 2: Convert to fraction form
    14,703.28/20,301.12 = 9,045.64/x
  3. Step 3: Cross multiply
    14,703.28x = 20,301.12 × 9,045.64
  4. Step 4: Simplify right side
    14,703.28x = 183,636,623.12
  5. Step 5: Solve for x
    x = 183,636,623.12/14,703.28
  6. Step 6: Final answer
    x = 12,489.50

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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.