Home / 10,528.48-14,529.12-6,802.56

Finding the Fourth Proportional to 10,528.48, 14,529.12 and 6,802.56

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Solution

The fourth proportional to 10,528.48, 14,529.12 and 6,802.56 is: 9,387.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,528.48 : 14,529.12 = 6,802.56 : x
  2. Step 2: Convert to fraction form
    10,528.48/14,529.12 = 6,802.56/x
  3. Step 3: Cross multiply
    10,528.48x = 14,529.12 × 6,802.56
  4. Step 4: Simplify right side
    10,528.48x = 98,835,210.55
  5. Step 5: Solve for x
    x = 98,835,210.55/10,528.48
  6. Step 6: Final answer
    x = 9,387.41

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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.