Home / 14,421.29-19,901.63-8,457.26

Finding the Fourth Proportional to 14,421.29, 19,901.63 and 8,457.26

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Solution

The fourth proportional to 14,421.29, 19,901.63 and 8,457.26 is: 11,671.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,421.29 : 19,901.63 = 8,457.26 : x
  2. Step 2: Convert to fraction form
    14,421.29/19,901.63 = 8,457.26/x
  3. Step 3: Cross multiply
    14,421.29x = 19,901.63 × 8,457.26
  4. Step 4: Simplify right side
    14,421.29x = 168,313,180.97
  5. Step 5: Solve for x
    x = 168,313,180.97/14,421.29
  6. Step 6: Final answer
    x = 11,671.16

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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.