Home / 10,478.04-15,722.30-6,528.07

Finding the Fourth Proportional to 10,478.04, 15,722.30 and 6,528.07

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Solution

The fourth proportional to 10,478.04, 15,722.30 and 6,528.07 is: 9,795.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,478.04 : 15,722.30 = 6,528.07 : x
  2. Step 2: Convert to fraction form
    10,478.04/15,722.30 = 6,528.07/x
  3. Step 3: Cross multiply
    10,478.04x = 15,722.30 × 6,528.07
  4. Step 4: Simplify right side
    10,478.04x = 102,636,274.96
  5. Step 5: Solve for x
    x = 102,636,274.96/10,478.04
  6. Step 6: Final answer
    x = 9,795.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.