Home / 10,520.64-14,518.53-5,805.06

Finding the Fourth Proportional to 10,520.64, 14,518.53 and 5,805.06

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Solution

The fourth proportional to 10,520.64, 14,518.53 and 5,805.06 is: 8,011.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,520.64 : 14,518.53 = 5,805.06 : x
  2. Step 2: Convert to fraction form
    10,520.64/14,518.53 = 5,805.06/x
  3. Step 3: Cross multiply
    10,520.64x = 14,518.53 × 5,805.06
  4. Step 4: Simplify right side
    10,520.64x = 84,280,937.76
  5. Step 5: Solve for x
    x = 84,280,937.76/10,520.64
  6. Step 6: Final answer
    x = 8,011.01

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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.