Home / 18,931.32-26,124.84-10,973.34

Finding the Fourth Proportional to 18,931.32, 26,124.84 and 10,973.34

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Solution

The fourth proportional to 18,931.32, 26,124.84 and 10,973.34 is: 15,142.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,931.32 : 26,124.84 = 10,973.34 : x
  2. Step 2: Convert to fraction form
    18,931.32/26,124.84 = 10,973.34/x
  3. Step 3: Cross multiply
    18,931.32x = 26,124.84 × 10,973.34
  4. Step 4: Simplify right side
    18,931.32x = 286,676,751.77
  5. Step 5: Solve for x
    x = 286,676,751.77/18,931.32
  6. Step 6: Final answer
    x = 15,142.99

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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.