Home / 15,501.51-21,401.96-10,205.46

Finding the Fourth Proportional to 15,501.51, 21,401.96 and 10,205.46

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Solution

The fourth proportional to 15,501.51, 21,401.96 and 10,205.46 is: 14,090.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,501.51 : 21,401.96 = 10,205.46 : x
  2. Step 2: Convert to fraction form
    15,501.51/21,401.96 = 10,205.46/x
  3. Step 3: Cross multiply
    15,501.51x = 21,401.96 × 10,205.46
  4. Step 4: Simplify right side
    15,501.51x = 218,416,795.67
  5. Step 5: Solve for x
    x = 218,416,795.67/15,501.51
  6. Step 6: Final answer
    x = 14,090.03

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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.