Home / 30,931.63-46,397.32-11,205.57

Finding the Fourth Proportional to 30,931.63, 46,397.32 and 11,205.57

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Solution

The fourth proportional to 30,931.63, 46,397.32 and 11,205.57 is: 16,808.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,931.63 : 46,397.32 = 11,205.57 : x
  2. Step 2: Convert to fraction form
    30,931.63/46,397.32 = 11,205.57/x
  3. Step 3: Cross multiply
    30,931.63x = 46,397.32 × 11,205.57
  4. Step 4: Simplify right side
    30,931.63x = 519,908,417.07
  5. Step 5: Solve for x
    x = 519,908,417.07/30,931.63
  6. Step 6: Final answer
    x = 16,808.31

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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.