Home / 13,460.81-18,575.64-7,492.55

Finding the Fourth Proportional to 13,460.81, 18,575.64 and 7,492.55

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Solution

The fourth proportional to 13,460.81, 18,575.64 and 7,492.55 is: 10,339.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460.81 : 18,575.64 = 7,492.55 : x
  2. Step 2: Convert to fraction form
    13,460.81/18,575.64 = 7,492.55/x
  3. Step 3: Cross multiply
    13,460.81x = 18,575.64 × 7,492.55
  4. Step 4: Simplify right side
    13,460.81x = 139,178,818.60
  5. Step 5: Solve for x
    x = 139,178,818.60/13,460.81
  6. Step 6: Final answer
    x = 10,339.56

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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.