Home / 10,582.40-14,631.56-9,270.20

Finding the Fourth Proportional to 10,582.40, 14,631.56 and 9,270.20

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Solution

The fourth proportional to 10,582.40, 14,631.56 and 9,270.20 is: 12,817.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,582.40 : 14,631.56 = 9,270.20 : x
  2. Step 2: Convert to fraction form
    10,582.40/14,631.56 = 9,270.20/x
  3. Step 3: Cross multiply
    10,582.40x = 14,631.56 × 9,270.20
  4. Step 4: Simplify right side
    10,582.40x = 135,637,487.51
  5. Step 5: Solve for x
    x = 135,637,487.51/10,582.40
  6. Step 6: Final answer
    x = 12,817.27

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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.