Home / 19,515.60-26,931.45-10,563.24

Finding the Fourth Proportional to 19,515.60, 26,931.45 and 10,563.24

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Solution

The fourth proportional to 19,515.60, 26,931.45 and 10,563.24 is: 14,577.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.60 : 26,931.45 = 10,563.24 : x
  2. Step 2: Convert to fraction form
    19,515.60/26,931.45 = 10,563.24/x
  3. Step 3: Cross multiply
    19,515.60x = 26,931.45 × 10,563.24
  4. Step 4: Simplify right side
    19,515.60x = 284,483,510.50
  5. Step 5: Solve for x
    x = 284,483,510.50/19,515.60
  6. Step 6: Final answer
    x = 14,577.24

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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.