Home / 14,276.96-19,700.47-7,903.07

Finding the Fourth Proportional to 14,276.96, 19,700.47 and 7,903.07

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Solution

The fourth proportional to 14,276.96, 19,700.47 and 7,903.07 is: 10,905.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.96 : 19,700.47 = 7,903.07 : x
  2. Step 2: Convert to fraction form
    14,276.96/19,700.47 = 7,903.07/x
  3. Step 3: Cross multiply
    14,276.96x = 19,700.47 × 7,903.07
  4. Step 4: Simplify right side
    14,276.96x = 155,694,134.24
  5. Step 5: Solve for x
    x = 155,694,134.24/14,276.96
  6. Step 6: Final answer
    x = 10,905.27

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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.