Home / 14,266.80-19,688.07-7,979.17

Finding the Fourth Proportional to 14,266.80, 19,688.07 and 7,979.17

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Solution

The fourth proportional to 14,266.80, 19,688.07 and 7,979.17 is: 11,011.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,266.80 : 19,688.07 = 7,979.17 : x
  2. Step 2: Convert to fraction form
    14,266.80/19,688.07 = 7,979.17/x
  3. Step 3: Cross multiply
    14,266.80x = 19,688.07 × 7,979.17
  4. Step 4: Simplify right side
    14,266.80x = 157,094,457.50
  5. Step 5: Solve for x
    x = 157,094,457.50/14,266.80
  6. Step 6: Final answer
    x = 11,011.19

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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.