Home / 14,457.49-21,686.39-5,095.76

Finding the Fourth Proportional to 14,457.49, 21,686.39 and 5,095.76

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Solution

The fourth proportional to 14,457.49, 21,686.39 and 5,095.76 is: 7,643.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,457.49 : 21,686.39 = 5,095.76 : x
  2. Step 2: Convert to fraction form
    14,457.49/21,686.39 = 5,095.76/x
  3. Step 3: Cross multiply
    14,457.49x = 21,686.39 × 5,095.76
  4. Step 4: Simplify right side
    14,457.49x = 110,508,706.88
  5. Step 5: Solve for x
    x = 110,508,706.88/14,457.49
  6. Step 6: Final answer
    x = 7,643.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.