Home / 13,465.08-18,582.12-7,496.76

Finding the Fourth Proportional to 13,465.08, 18,582.12 and 7,496.76

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Solution

The fourth proportional to 13,465.08, 18,582.12 and 7,496.76 is: 10,345.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.08 : 18,582.12 = 7,496.76 : x
  2. Step 2: Convert to fraction form
    13,465.08/18,582.12 = 7,496.76/x
  3. Step 3: Cross multiply
    13,465.08x = 18,582.12 × 7,496.76
  4. Step 4: Simplify right side
    13,465.08x = 139,305,693.93
  5. Step 5: Solve for x
    x = 139,305,693.93/13,465.08
  6. Step 6: Final answer
    x = 10,345.70

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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.