Home / 15,486.03-21,377.26-10,457.06

Finding the Fourth Proportional to 15,486.03, 21,377.26 and 10,457.06

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Solution

The fourth proportional to 15,486.03, 21,377.26 and 10,457.06 is: 14,435.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,486.03 : 21,377.26 = 10,457.06 : x
  2. Step 2: Convert to fraction form
    15,486.03/21,377.26 = 10,457.06/x
  3. Step 3: Cross multiply
    15,486.03x = 21,377.26 × 10,457.06
  4. Step 4: Simplify right side
    15,486.03x = 223,543,157.43
  5. Step 5: Solve for x
    x = 223,543,157.43/15,486.03
  6. Step 6: Final answer
    x = 14,435.15

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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.