Home / 19,264.40-26,566.08-12,880.16

Finding the Fourth Proportional to 19,264.40, 26,566.08 and 12,880.16

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Solution

The fourth proportional to 19,264.40, 26,566.08 and 12,880.16 is: 17,762.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,264.40 : 26,566.08 = 12,880.16 : x
  2. Step 2: Convert to fraction form
    19,264.40/26,566.08 = 12,880.16/x
  3. Step 3: Cross multiply
    19,264.40x = 26,566.08 × 12,880.16
  4. Step 4: Simplify right side
    19,264.40x = 342,175,360.97
  5. Step 5: Solve for x
    x = 342,175,360.97/19,264.40
  6. Step 6: Final answer
    x = 17,762.06

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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.