Home / 15,005.63-22,522.58-7,615.40

Finding the Fourth Proportional to 15,005.63, 22,522.58 and 7,615.40

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Solution

The fourth proportional to 15,005.63, 22,522.58 and 7,615.40 is: 11,430.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,005.63 : 22,522.58 = 7,615.40 : x
  2. Step 2: Convert to fraction form
    15,005.63/22,522.58 = 7,615.40/x
  3. Step 3: Cross multiply
    15,005.63x = 22,522.58 × 7,615.40
  4. Step 4: Simplify right side
    15,005.63x = 171,518,305.04
  5. Step 5: Solve for x
    x = 171,518,305.04/15,005.63
  6. Step 6: Final answer
    x = 11,430.27

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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.