Home / 10,345.60-14,275.84-6,153.28

Finding the Fourth Proportional to 10,345.60, 14,275.84 and 6,153.28

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Solution

The fourth proportional to 10,345.60, 14,275.84 and 6,153.28 is: 8,490.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.60 : 14,275.84 = 6,153.28 : x
  2. Step 2: Convert to fraction form
    10,345.60/14,275.84 = 6,153.28/x
  3. Step 3: Cross multiply
    10,345.60x = 14,275.84 × 6,153.28
  4. Step 4: Simplify right side
    10,345.60x = 87,843,240.76
  5. Step 5: Solve for x
    x = 87,843,240.76/10,345.60
  6. Step 6: Final answer
    x = 8,490.88

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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.