Home / 13,005.23-19,492.20-7,462.40

Finding the Fourth Proportional to 13,005.23, 19,492.20 and 7,462.40

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Solution

The fourth proportional to 13,005.23, 19,492.20 and 7,462.40 is: 11,184.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005.23 : 19,492.20 = 7,462.40 : x
  2. Step 2: Convert to fraction form
    13,005.23/19,492.20 = 7,462.40/x
  3. Step 3: Cross multiply
    13,005.23x = 19,492.20 × 7,462.40
  4. Step 4: Simplify right side
    13,005.23x = 145,458,495.82
  5. Step 5: Solve for x
    x = 145,458,495.82/13,005.23
  6. Step 6: Final answer
    x = 11,184.62

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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.