Home / 10,027.48-14,969.45-8,715.64

Finding the Fourth Proportional to 10,027.48, 14,969.45 and 8,715.64

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Solution

The fourth proportional to 10,027.48, 14,969.45 and 8,715.64 is: 13,011.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,027.48 : 14,969.45 = 8,715.64 : x
  2. Step 2: Convert to fraction form
    10,027.48/14,969.45 = 8,715.64/x
  3. Step 3: Cross multiply
    10,027.48x = 14,969.45 × 8,715.64
  4. Step 4: Simplify right side
    10,027.48x = 130,468,337.20
  5. Step 5: Solve for x
    x = 130,468,337.20/10,027.48
  6. Step 6: Final answer
    x = 13,011.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.