Home / 10,330.19-15,495.15-2,539.07

Finding the Fourth Proportional to 10,330.19, 15,495.15 and 2,539.07

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Solution

The fourth proportional to 10,330.19, 15,495.15 and 2,539.07 is: 3,808.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.19 : 15,495.15 = 2,539.07 : x
  2. Step 2: Convert to fraction form
    10,330.19/15,495.15 = 2,539.07/x
  3. Step 3: Cross multiply
    10,330.19x = 15,495.15 × 2,539.07
  4. Step 4: Simplify right side
    10,330.19x = 39,343,270.51
  5. Step 5: Solve for x
    x = 39,343,270.51/10,330.19
  6. Step 6: Final answer
    x = 3,808.57

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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.