Home / 13,663.16-20,495.48-4,303.91

Finding the Fourth Proportional to 13,663.16, 20,495.48 and 4,303.91

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Solution

The fourth proportional to 13,663.16, 20,495.48 and 4,303.91 is: 6,456.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,663.16 : 20,495.48 = 4,303.91 : x
  2. Step 2: Convert to fraction form
    13,663.16/20,495.48 = 4,303.91/x
  3. Step 3: Cross multiply
    13,663.16x = 20,495.48 × 4,303.91
  4. Step 4: Simplify right side
    13,663.16x = 88,210,679.81
  5. Step 5: Solve for x
    x = 88,210,679.81/13,663.16
  6. Step 6: Final answer
    x = 6,456.10

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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.