Home / 46,215.09-69,312.02-12,937.46

Finding the Fourth Proportional to 46,215.09, 69,312.02 and 12,937.46

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Solution

The fourth proportional to 46,215.09, 69,312.02 and 12,937.46 is: 19,403.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,215.09 : 69,312.02 = 12,937.46 : x
  2. Step 2: Convert to fraction form
    46,215.09/69,312.02 = 12,937.46/x
  3. Step 3: Cross multiply
    46,215.09x = 69,312.02 × 12,937.46
  4. Step 4: Simplify right side
    46,215.09x = 896,721,075.02
  5. Step 5: Solve for x
    x = 896,721,075.02/46,215.09
  6. Step 6: Final answer
    x = 19,403.21

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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.