Home / 15,224.69-21,026.57-10,457.19

Finding the Fourth Proportional to 15,224.69, 21,026.57 and 10,457.19

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Solution

The fourth proportional to 15,224.69, 21,026.57 and 10,457.19 is: 14,442.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,224.69 : 21,026.57 = 10,457.19 : x
  2. Step 2: Convert to fraction form
    15,224.69/21,026.57 = 10,457.19/x
  3. Step 3: Cross multiply
    15,224.69x = 21,026.57 × 10,457.19
  4. Step 4: Simplify right side
    15,224.69x = 219,878,785.25
  5. Step 5: Solve for x
    x = 219,878,785.25/15,224.69
  6. Step 6: Final answer
    x = 14,442.25

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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.