Home / 13,460.55-18,575.36-7,492.21

Finding the Fourth Proportional to 13,460.55, 18,575.36 and 7,492.21

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Solution

The fourth proportional to 13,460.55, 18,575.36 and 7,492.21 is: 10,339.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460.55 : 18,575.36 = 7,492.21 : x
  2. Step 2: Convert to fraction form
    13,460.55/18,575.36 = 7,492.21/x
  3. Step 3: Cross multiply
    13,460.55x = 18,575.36 × 7,492.21
  4. Step 4: Simplify right side
    13,460.55x = 139,170,442.14
  5. Step 5: Solve for x
    x = 139,170,442.14/13,460.55
  6. Step 6: Final answer
    x = 10,339.14

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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.