Home / 13,345.32-18,395.33-10,508.19

Finding the Fourth Proportional to 13,345.32, 18,395.33 and 10,508.19

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Solution

The fourth proportional to 13,345.32, 18,395.33 and 10,508.19 is: 14,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345.32 : 18,395.33 = 10,508.19 : x
  2. Step 2: Convert to fraction form
    13,345.32/18,395.33 = 10,508.19/x
  3. Step 3: Cross multiply
    13,345.32x = 18,395.33 × 10,508.19
  4. Step 4: Simplify right side
    13,345.32x = 193,301,570.21
  5. Step 5: Solve for x
    x = 193,301,570.21/13,345.32
  6. Step 6: Final answer
    x = 14,484.60

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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.