Home / 10,345.50-14,275.35-6,156.06

Finding the Fourth Proportional to 10,345.50, 14,275.35 and 6,156.06

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Solution

The fourth proportional to 10,345.50, 14,275.35 and 6,156.06 is: 8,494.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.50 : 14,275.35 = 6,156.06 : x
  2. Step 2: Convert to fraction form
    10,345.50/14,275.35 = 6,156.06/x
  3. Step 3: Cross multiply
    10,345.50x = 14,275.35 × 6,156.06
  4. Step 4: Simplify right side
    10,345.50x = 87,879,911.12
  5. Step 5: Solve for x
    x = 87,879,911.12/10,345.50
  6. Step 6: Final answer
    x = 8,494.51

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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.