Home / 11,345.04-15,656.34-6,240.77

Finding the Fourth Proportional to 11,345.04, 15,656.34 and 6,240.77

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Solution

The fourth proportional to 11,345.04, 15,656.34 and 6,240.77 is: 8,612.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.04 : 15,656.34 = 6,240.77 : x
  2. Step 2: Convert to fraction form
    11,345.04/15,656.34 = 6,240.77/x
  3. Step 3: Cross multiply
    11,345.04x = 15,656.34 × 6,240.77
  4. Step 4: Simplify right side
    11,345.04x = 97,707,616.98
  5. Step 5: Solve for x
    x = 97,707,616.98/11,345.04
  6. Step 6: Final answer
    x = 8,612.36

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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.