Home / 13,526.02-20,289.03-8,875.45

Finding the Fourth Proportional to 13,526.02, 20,289.03 and 8,875.45

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Solution

The fourth proportional to 13,526.02, 20,289.03 and 8,875.45 is: 13,313.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.02 : 20,289.03 = 8,875.45 : x
  2. Step 2: Convert to fraction form
    13,526.02/20,289.03 = 8,875.45/x
  3. Step 3: Cross multiply
    13,526.02x = 20,289.03 × 8,875.45
  4. Step 4: Simplify right side
    13,526.02x = 180,074,226.94
  5. Step 5: Solve for x
    x = 180,074,226.94/13,526.02
  6. Step 6: Final answer
    x = 13,313.18

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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.