Home / 18,868.64-26,038.56-10,254.74

Finding the Fourth Proportional to 18,868.64, 26,038.56 and 10,254.74

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Solution

The fourth proportional to 18,868.64, 26,038.56 and 10,254.74 is: 14,151.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,868.64 : 26,038.56 = 10,254.74 : x
  2. Step 2: Convert to fraction form
    18,868.64/26,038.56 = 10,254.74/x
  3. Step 3: Cross multiply
    18,868.64x = 26,038.56 × 10,254.74
  4. Step 4: Simplify right side
    18,868.64x = 267,018,662.77
  5. Step 5: Solve for x
    x = 267,018,662.77/18,868.64
  6. Step 6: Final answer
    x = 14,151.45

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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.