Home / 9,421.04-14,153.60-8,889.08

Finding the Fourth Proportional to 9,421.04, 14,153.60 and 8,889.08

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Solution

The fourth proportional to 9,421.04, 14,153.60 and 8,889.08 is: 13,354.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.04 : 14,153.60 = 8,889.08 : x
  2. Step 2: Convert to fraction form
    9,421.04/14,153.60 = 8,889.08/x
  3. Step 3: Cross multiply
    9,421.04x = 14,153.60 × 8,889.08
  4. Step 4: Simplify right side
    9,421.04x = 125,812,434.14
  5. Step 5: Solve for x
    x = 125,812,434.14/9,421.04
  6. Step 6: Final answer
    x = 13,354.41

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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.