Home / 10,390.16-15,585.36-2,994.74

Finding the Fourth Proportional to 10,390.16, 15,585.36 and 2,994.74

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Solution

The fourth proportional to 10,390.16, 15,585.36 and 2,994.74 is: 4,492.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390.16 : 15,585.36 = 2,994.74 : x
  2. Step 2: Convert to fraction form
    10,390.16/15,585.36 = 2,994.74/x
  3. Step 3: Cross multiply
    10,390.16x = 15,585.36 × 2,994.74
  4. Step 4: Simplify right side
    10,390.16x = 46,674,101.01
  5. Step 5: Solve for x
    x = 46,674,101.01/10,390.16
  6. Step 6: Final answer
    x = 4,492.14

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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.